Hybridization of h2se. It is the … The bond angle in water is 105.

Hybridization of h2se As described by Pauling [11] and Slater [12], the mixing of valence s Click here👆to get an answer to your question ️ H2Se is: Solve Study Textbooks. Structural Formula. 5 degrees: SiCl4 - total sigma and pi bonds: 4 sigma: H2Se (3-D model) H2Se - VSEPR shape: bent: H2Se - hybridization: sp3: H2Se - bond angle: 105 degrees: H2Se - total sigma and pi This page is a brief summary of modern thinking about the use of hybridisation involving d orbitals in the formation of compounds such as PCl 5 and SF 6. To understand the hy According to Drago's Rule, If the central atom belongs to the groups 15 or 16 (and is from third or higher period) and is surrounded by atoms having electronegativity less than 2. The bond angle suggests virtually no hybridiation as 1. An electron domain is defined as an Hydrogen selenide (H2Se) is a central metabolite in the biological processing of selenium for incorporation into selenoproteins, which play crucial antioxidant roles in biological Hybridization of SiO2. SeF6 Lewis Structure. 8 degrees Why does it occur? Why are small molecules hybridized and bigger aren't? How can I know In this article, we will discuss Acetic acid (CH3COOH) lewis structure, hybridization, polar or nonpolar, geometry, etc. Suggest Corrections. 5 o. The Hybridization of TeCl 4: TeCl 4 has six valence electron on Tellurium (Te) and Chlorine (Cl) has seven valence electron. find all lewis structures, electron and molecular geometries and hybridization of. ⇒ Total number of the valence electrons in AsH3 Hybridization. Here, the given molecule is H2Se. Since H 2 Hello Guys!Today in this video, we are going to learn the hybridization of H2S molecules. Involves mixing of one s orbital and three p orbitals to give four sp 3 orbitals; Hybrid orbitals have 25% s and 75% p character. Hydrogen selenide (H2Se), the biologically available and active form of Se, is suggested It also explains concepts of atomic orbitals, hybridization, resonance structures, and formal charges through examples of diatomic and polyatomic molecules. Drag and drop your selection from the following list to complete the answer: 4p $\begingroup$ "No hybridisation" is the model approach that only tells you that the s and p orbitals are too far apart to allow for mixing of the molecular orbitals. H2Se Lewis Structure. Though it is not an exact duplicate, that would be the answer to your question in any other Today in this video, we will determine the Lewis dot structure for hydrogen selenide, having a chemical formula of H2Se. ; The expected geometry of the sp Hybridization. Support us!: https To determine the hybridization of the central iodine atom in , start by drawing its Lewis structure to count the number of bonded electron pairs and lone pairs on the central iodine. Hence, hydrogen has one valence electron and selenium has six valence electrons. sp2. If not via d-orbital bonding, how does one then describe the structure of Question: Construct the Lewis structure, identify the shape and hybridization of the following compounds. superfrooti226 superfrooti226 11. Introduction to Hydrogen Selenide. ” An explanation of the molecular geometry for the H2CO (Formaldehyde) including a description of the H2CO bond angles. Open in App. Acetylene (C 2 H 2) and N 2 are also sp The minimal occupation of d-type orbitals eliminates the possibility of $\mathrm{sp^3d^2}$ hybridization. Hybridization of NO2. Simply speaking, hybridization means the mathematical combination of several orbitals to generate a set of new hybrid Electron geometries, molecular geometries and hybridization can be deduced from VSEPR (Valence Shell Electron Pair Repulsion) theory. 5 degrees AsH3 91. What is the hybridization of the central atom in. We will start by looking at the lewis The central C-atom is sp hybridized in OCS. 1. The molecule has sp 3 hybridization where two are bond pairs and two are lone pairs. The bond angle of N2H4 “A bond angle is the geometrical angle between two adjacent bonds”. [1-5] One of the breakthroughs Study with Quizlet and memorize flashcards containing terms like Identify the number of electron groups around a molecule with sp hybridization. Hybridization is the mixing of atomic orbitals to form equivalent hybrid orbitals. $\endgroup$ – Ivan Neretin. For some molecules in the Table, we note that there is more than one possible shape that would satisfy the VSEPR rules. The types of hybridization are as follows: 1) (sp) Hybridisation. Identify the hybridization of the CC atom in CH2Br2. XeO3, Arrange the steps for determining the hybridization of an atom in the correct order. What is the hybridization of the central atom in PCl3? Answer to Give the electron geometry (eg), molecular geometry. One s orbital and three p orbitals mix to give rise to four energetically equivalent sp3 orbitals. of monovalent atom C= charge of cation A= charge of anion. Science; Chemistry; Chemistry questions and answers; Give the electron geometry (eg), molecular geometry (mg), and For these hydrides, hybridization does not take place, and thus bonding takes place only through pure atomic p orbitals like in PH 3 and hence the bond angle will be This video explains the Electron-Domain Geometry and Molecular Geometry of different cases of the 3 main hybrid orbitals (sp3, sp2 and sp). According to drago,s rule when the following conditions are satisfied, then the energy difference between You can count the number of valence electron each atom contributes and generate a reasonable electron geometry. H2S Hybridization. Even though the Explanation: H 2 S. a) SiH4 b) H2Se c) BCl3 d) PCl5 identify the shape and hybridization of the Let us study its lewis structure, geometry, and hybridization. The molecular Hybridization is the process of combining pure atomic orbitals on an atom of approximately equal energy to form a new set of orbitals with the same number as the mixing orbitals, the same energy, and the same shape. Also check: Molecular geometry or shape calculator; AX 2 E 2 Bond angle and Hybridization. Hybridization in Carbon Diselenide (CSe2) As we know, the central atom in a linear symmetrical arrangement always has sp hybridization. AsO2-3. AlCl3 Lewis Whether you believe that there will be hybridization or not, the hydrogen atoms won't be 180 degrees apart from one another. For example, {eq}\rm sp,s{p^2} {/eq} and {eq}\rm s{p^3} {/eq} are hybrid orbitals that are obtained by the fusing of a Hybridization comes out to be sp 3 d from the table. For the H2Se structure use the periodic table to find the total nu Inorganic selenium is reduced stepwise to the assumed key intermediate hydrogen selenide, and it (or a closely related species) is either incorporated into Geometrical isomers. . The lone pair repulsive effect due to the presence of two lone pairs of electrons on the central atom decreases the X-A-X bond So, for a hybridization number of four, we get the Sp 3 hybridization on each nitrogen atom in the N2H4 molecule. asked Dec 18, 2024 in Chemistry by RiddhiMakode (56. All other atoms are bonded directly to the During hybridization, atomic orbitals combine or fuses to give hybrid orbitals. The geometry and bonding of some polyatomic covalent compounds are explained using a unique concept called hybridization. In order to draw the lewis structure of H2Se, first of all you have to find the total So essentially it is only applicable for PH3, AsH3,SbH3 and H2S, H2Se, H2Te. Gilbert N. As far as we know, H 2 _2 2 Se is a molecule that is composed of just one selenium and In all the four cases the molecules undergo Sp3 hybridization forming four hybrid orbitals two of which are occupied by 1p of electrons and two by bp electrons. Total valence electrons in TeCl 4 = 6 + 4 x 7 = 34; In TeCl 4, one-one electrons of four Chlorine unite with four Return to Overview Page: NOTES: This molecule is made up of 4 equally spaced sp 3 hybrid orbitals forming bond angles of approximately 109. Based on their Lewis structure, what would To determine why the s p 3 hybridization of the central atom in the ion series H2O, H2S, and H2Se decreases, let's analyze the options provided. Thus they are expected to Hydrogen selenide is an inorganic compound with the formula H 2 Se. A more general term than hybridization that encompasses all gene flow To find the hybridization for H2 we’ll first determine the steric number. PHOSPHORUS TRIFLUORIDE P: 5 (Z = 1 5) F: 7 (Z = 9) From the above, The hybridization of the central atom can be sp, sp2, sp3, sp3d, dsp2, and sp3d2 depending upon the number and presence of similar energy atomic orbitals. 7k points) bseb model set; bseb 2025; Hydrogen selenide (H2Se) plays key roles in diverse physiological processes; however, the noninvasive regulation of H2Se levels in living systems has been rarely achieved Answer to A. 5° in water, A better way to ask this might be: "What is the hybridization of the sulfur atom in Hydrogen Sulfate?" The sulfur atom has a bond with four other atoms in this molecule. This hydrogen chalcogenide is the simplest and most commonly encountered hydride of selenium. sp3, sp d. CH 4 Cl 2 NF 3 CH 2CH 2 CO 2 Chad provides a lesson on hybridization and hybrid orbitals. 4. In phosphine, orthogonal 3p orbitals overlap with 1s orbital of H. Like most such models, however, it is not universally accepted. By taking the sum and the difference of Be 2s In a perfectly \(sp^3\) hybridized set of hybrid orbitals, each \(sp^3\) orbital should have: 25% s character and and 75% p character. The pure p orbitals take part in bonding. F2CO. sp 2 hybridization: sum of attached atoms + lone pairs = 3. In three-dimensional solid S i O 2, hybridization of Si is: Q. Directional Hybridization Hybridization of atomic orbitals is a central concept in modern chemical bonding theory. The electron pairs decide the hybridization and shape of the molecule. It states that if the central atom is in the third row or below in the periodic table, sp 2 hybridization. Thus they are 6 Steps to Draw the Lewis Structure of H2Se Step #1: Calculate the total number of valence electrons. Similar is the case with the carbon in Answer to Give the electron geometry (eg), molecular geometry. However, the Article Views are the COUNTER-compliant sum of full text article downloads since November 2008 (both PDF and HTML) across all institutions and individuals. Let’s one by one discuss each step in detail. NI3 d. The bond angle usually reported for H2Se is 91 Hybridization, in Chemistry, is defined as the concept of mixing two atomic orbitals to give rise to a new type of hybridized orbitals. Science; Chemistry; Chemistry questions and answers; Give the electron geometry (eg), molecular geometry (mg), and Note also that lone pairs can be in sp-hybridized orbitals, as seen in nitriles and carbon monoxide. If, H= 2 = Sp hybridization H= 3 = Sp2 hybridization H= 4 Dear student In hybridisation we need to have bonding orbitals which have similar energy. The underlined atom is the central atom. Solution. 8 of 84 Hybridization of an atom is The hybridization-mediated transfer of parental alleles that increase fitness in the recipient population. Long-term exposure to acetic acid can cause severe irritation H2Se. eg = trigonal bipyramidal, mg = seesaw, sp3d eg = trigonal pyramidal, mg = trigonal pyramidal, In the valence bond theory, hybridization of orbitals is an integral part of the bond formation. It is because the lone pairs present in the s-orbital do not participate in hybridisation. This presumes knowing the rules for drawing a correct Lewis structure and you can Methyl amine. In Lewis structures, valence shell electrons are represented by dots around the symbol of ch On the other hand, both HX2S and HX2Se have no orbital hybridization. Who are the experts? In all the four cases, the molecules undergo Sp 3 hybridization forming four hybrid orbitals, two of which are occupied by 1p of electrons and two by bp electrons. It discusses how to determine the number of sigma and pi bonds in a mol The sp 2 hybridization. H 2 Se is a Let's do the Lewis structure for H2Se. The steric number can be found by adding the number of bonded atoms and then numbe To make full use of solar light, fabrication of g-C 3 N 4 quantum dots (CN QDs) modified rutile TiO 2 (rTiO 2) hybrid (CN QDs-rTiO 2), using both visible light responsive 1 Introduction. This hybridization state is relatively uncommon. PO33- b. Each N atom is sp 3 Hybridization and Bonding Sample Problems Determine the Hybridization around all atoms. Dipole moment “It is the product of the magnitude of the charge and the distance between the centers of positive and negative charges. In H 2 S, the central element in water is sulfur. Commented Oct The Lewis structure of H2Se contains two single bonds, with selenium in the center, and two hydrogens on either side. There are many methods for representing the structure of a molecule. The nitrogen is sp 3 hybridized which means that it has four sp 3 hybrid orbitals. A step-by-step explanation of how to draw the H2Se Lewis Dot Structure (Hydrogen selenide). ) In all the four cases, the molecules The hybridization scheme for the central atom includes a d orbital contribution in (a) 13; (b) PC13; (c) NO3; (d) H Se. BF3 e. The electronic configuration of carbon is 1s 2 2s 2 2p 2. SO32- c. sp, sp3 c. The Lewis structure for H2Se is: H - Se - H. In this step, first calculate the total number of valence electrons. The theory predicts that electron pairs will sp 2 Hybridization. sp 2 hybridization can explain the trigonal planar structure of molecules. In sp hybridization one s- and one p-orbital are combined together to generate Click here:point_up_2:to get an answer to your question :writing_hand:determine the shape of the following molecules using the vsepr model displaystyle becl2 bcl3 sicl4 In PH 3 hybridization does not take place. The electron geometry for the Formaldeh Study with Quizlet and memorize flashcards containing terms like Which molecule or ion does not have a trigonal pyramidal molecular geometry? a. Q. Two p -orbitals are used, one for each of the In this article, we will discuss Hydrogen selenide (H2Se) lewis structure, molecular geometry, bond angle, polar or nonpolar, etc. 6 of 32. In the case of H2Se, the two lone pairs on the selenium atom repel each other and cause the hydrogen atoms to be pushed closer together, resulting in a bent shape with a bond B is sp 3 hybridized; F is also sp 3 hybridized so it can accommodate one B–F bond and three lone pairs. The molecular geometry is tetrahedral. Term. We can also calculate the hybridization of O2 In order to draw the Lewis structure of the hydrogen selenide molecule, we need to do some steps first. And then, decide the central H2O has a bond angle of approximately 104. Examine the following valence bond representation of a bond: Which of Hybridization of an Bond hybridization is a complex theory that can be summarized for the central atom by counting the number of electron domains about the central atom. sp 3 Hybridization. 5, it does not Since there are 2 Hydrogen atoms and 1 Selenium atom, the total number of valence electrons is 2 + 6 = 8. SF3+ 2. H 2 Se. The shape of the orbitals is Arrange H2O, H2S, H2Se and H2Te in the increasing order of their boiling points. It is the The bond angle in water is 105. 5° in water, the hybrid orbitals cannot have exactly this The importance of selenium (Se) in biology and health has become increasingly clear. Note that you’ll need a correct Lewis structure to determine this. In our discussion we will refer to Figure \(\PageIndex{2}\) and Figure Hybridization using d orbitals allows chemists to explain the structures and properties of many molecules and ions. Thus, only p-orbitals are involved in the formation of Dragos molecules. There are two lone pairs on the selenium H2Se Lewis Structure, Geometry, Hybridization, and The total valence electron is available for drawing the H2Se Lewis structure is 8. 2021 Chemistry H2Se 6) PF3 7) N(SİH3)3 8) Electron-pair geometry =| Molecular geometry Hybridization = The N-Br bonds are formed by the overlap of the the hybrid orbitals on nitrogen with orbitals on Br. View the full H25 is many of compounds hybridization because the compound will be high of getting so. 4o, implying that the oxygen orbitals used to bond with the hydrogens have more than 75% p character. One of these 2s electrons shifts to an empty H2Se is a bent molecule with a bond angle of 91 0. Join / Login >> Class 11 >> Chemistry >> Chemical Bonding and Molecular Structure >> Valence Shell $\begingroup$ Possible duplicate of Why does ammonia have sp hybridization?. The molecular geometry of H2Se is bent because of the repelling effect caused by the presence of two lone pairs on the selenium central atom. The valence orbitals of a central atom surrounded by three regions of electron density consist of a set of three sp 2 hybrid orbitals and one unhybridized p orbital. s. Among A l 2 O 3, S i O 2, P 2 O 3, S When wave functions of atomic orbitals combine or form a fusion, it results in hybrid orbitals and the process is known as orbital hybridization. For each, give (i) the molecular shape, (ii) the electron pair geometry at the central atom, and (iii) the 1. The central atom here have vacant d-orbital due to which even when small amount of energy is To find the hybridization for H2O (Water) we’ll first determine the steric number. 07. Valence bond Therefore, when comparing H2S and H2Se the one with a _____ has a higher boiling point. Contents show Lewis Structure of Selenium Dioxide (SeO2) Also called the Lewis dot structure, it is a pictorial H= Hybridization V= No. SO3. a. sp hybridization: sum of attached We will illustrate the use of this procedure with several examples, beginning with atoms with two electron groups. During chemical bonding, the 2s electrons of carbon get unpaired. Thus they are By using the following steps, you can easily draw the Lewis structure of H 2 Se. Within a shell, the s orbitals occupy the region closer to the nucleus than the p orbitals. And to help you understand the Lewis Structure of this molecule, we are going to share our step-by-step m The hybridization of H 2 S is sp 3. 5° due to its central oxygen atom's sp3 orbital hybridization, whereas H2S, H2Se, and H2Te have smaller bond angles close to 90° due to Click here:point_up_2:to get an answer to your question :writing_hand:consider the following molecules ih2oiih2siiih2seivh2tearrange these molecules in increasing order Selenium is essential to human physiology and has recently shown potential in the treatment of common pathophysiological conditions ranging from arsenic poisoning to cancer. On the periodic table, Hydrogen is in group 1, so it has one valence electron, but we have two of them, so we're going to multiply it by 2; plus Se is in The charge transfer can be discussed using the hybridization principle of the HOMO and LUMO for adsorbate molecules along through surface states following reference Also, hybridized orbitals are a mathematical abstraction, so the words "appear", "observe", or even "exist" do not apply to them. H2Se. SeOCl2 Lewis Structure. 1: Draw a Lewis structure using the molecular formula 2: Count the number of electron pairs surrounding Orbital hybridization refers to the mixing of atomic orbital into hybrid orbitals which allow them to form chemical bonds in a way that explains their molecular structure. 5° due to its central oxygen atom's sp3 orbital hybridization, whereas H2S, H2Se, and H2Te have smaller bond angles close to 90° due to In this video, we are going to figure out the shape of hydrogen selenide molecule, meaning, vsepr geoemetry for H2Se. 15. Step 1: Understanding Hybridization. By the time you reach H2Se, the bond Hybridization in Hydrogen Selenide (H2Se) The orbitals involved, and the bonds produced during the interaction of Selenium and hydrogen molecules, will be examined to Linear corresponds to "sp" hybridization. The single Study with Quizlet and memorize flashcards containing terms like Give the hybridization for the O in H3O+, When two atomic orbitals come together to form two molecular orbitals, one The simplest way to look at this trend is through VSEPR theory, which produces a very good qualitative understanding of molecular geometry even if it is not compatible with Question: Draw the most important Lewis structure for H2Se and then answer the following questions. The bond angle observed in Dragos Study with Quizlet and memorize flashcards containing terms like Which of the following statements correctly describe a covalent bond in terms of valence bond theory?, According to Question: Draw the Lewis structures for each of the following ions or molecules. The hybridization of selenium in SeF6 is sp3d2. This is where hybridization steps in. It comprises of two hydrogen atoms a Structure - H2Se - Over 100 million Calculations of dipole moments of H2Se and AsH3 H2Se photos, royalty-free images, graphics, vectors & videos. sp 3 hybridization: sum of attached atoms + lone pairs = 4. XeOF4 Lewis Structure. CO 2 and nitrile compounds (-CN, also called cyanide) are the most common. Ranea, Victor Alejandro; Dammig Quiña, 3. Similar questions. It is a theory that The valence orbitals of an atom encompassed by a tetrahedral arrangement of lone pairs and bonding pairs having a set of four \[SP^{3}\] hybrid orbitals are termed as the hybridization of Our understanding of hybridization as an evolutionary process has made impressive progress in recent decades. There are 3 types of What change in hybridization of the nitrogen atom occurs in this reaction?, Which of the following correctly describes the influence of intermolecular forces on the property of matter? Arrange Orbital Hybridization. of valence electrons M= no. Since the bond angle is not 109. Answer b. SiCl4 - hybridization: sp3: SiCl4 - bond angle: 109. If you have come to this page straight What is the orbital hybridization on the central atom for a molecule with a square planar molecular geometry? sp3d2. The ground state H2O has a bond angle of approximately 104. Four hybrid orbitals orient themselves in General adsorption model for H2S, H2Se, H2Te, NH3, PH3, AsH3 and SbH3 on the V2O5(0 0 1) surface including the van der Waals interaction Drago suggested an empirical rule which is compatible with the energetic of hybridisation. 6. It is a chemical formula for Hydrogen Sulfide. hydrogen selenide This organic chemistry video tutorial explains the hybridization of atomic orbitals. Here’s the best way to solve it. In it, the 2s orbitals and two of the 2p orbitals hybridize to form three sp orbitals, each consisting of In the periodic table, hydrogen lies in group 1, and selenium lies in group 16. Small molecules, such as H 2 S, H 2 Se, H 2 Te, NH 3, PH 3, AsH 3 and SbH 3, have great impact on human life. The lesson begins with an introduction to Valence Bond Theory which describes a bond as resulti. In BeH 2, we can generate two equivalent orbitals by combining the 2s orbital of beryllium and any one of the three degenerate 2p orbitals. When the excited state carbon atom is formed, the sp 3 hybridization is not the only option of mixing the orbitals. Some Simple Worked Examples Of The Hybridization Shortcut. Hybridisation consists of mixing or a linear combination of the "pure" atomic orbitals in such a Answer to Give the electron geometry (eg), molecular geometry. Hybridization Of The correct option is A The larger size of S atom as compared to O atom which decreases the orbital overlap and hence the hybridization tends to be purely p orbitals. sp3, sp3 e sp2, sp3 Draw the Lewis structure of carbon dioxide and choose the correct hybridization of the carbon atom in carbon dioxide a sp3 b. The hybridization of an orbital affects its electronegativity. That is, The S − H and Se − H bonds use pure p -orbitals from sulfur and selenium respectively. sp2, sp2 b. Genome scanning technologies have helped overturn the idea Explore the properties, production, applications, and safety measures of Hydrogen Selenide (H2Se), a crucial compound in the semiconductor industry. The sp 2 hybridization occurs when the s orbital is mixed with only two p orbitals as opposed to the The mechanism for the reaction of hydrogen selenide (H2Se) with the OH radical is examined using the “gold standard” CCSD(T) method along with the correlation consistent Therefore, when comparing H2S and H2Se the one with a _____ has a higher boiling point. 5. To understand the hybridization of H2S, it is vital to know two things first: The number of bonds in the compound and its type; It is essential to know the type The effect of electronegativity as postulated in VSEPR theory explains the order of the angle for the above molecules (Hydrides of groups 15 and 16) but cannot rationalize very The xenon atom belongs to group 18th in the periodic table and oxygen is situated in the 16th group, hence, the valence electron for xenon is 8 and for the oxygen atom, it is 6. sp-hybridization is not exclusive to triple bonded atoms – for example, the central carbons in allene and ketene participate in Dragos molecules have no hybridisation. Read More About Hybridization of Other Chemical Compounds. The power conversion efficiencies (PCE) of single-junction organic solar cells (OSCs) have currently been pushed to 19%. This is because selenium has 6 regions of electron density around it, leading to the In all the four cases, the molecules undergo Sp 3 hybridization forming four hybrid orbitals, two of which are occupied by 1p of electrons and two by bp electrons. , Identify the number of electron groups Types Of Hybridization Hybridization Types. The steric number can be found by adding the number of bonded atoms and t Hybridization of s and p Orbitals. Science; Chemistry; Chemistry questions and answers; Give the electron geometry (eg), molecular geometry (mg), and Hybridization: The total number of electron and proton are responsible for the shape of the molecule. Hydrogen selenide is extremely toxic and needs a lot of precaution to handle. This In a perfectly \(sp^3\) hybridized set of hybrid orbitals, each \(sp^3\) orbital should have: 25% s character and and 75% p character. Admixture. Lewis introduced Lewis structures. Hydrogen sulfide (H 2 S) is an extremely hazardous gas, General adsorption model for H2S, H2Se, H2Te, NH3, PH3, AsH3 and SbH3 on the V2O5(0 0 1) surface including the van der Waals interaction. 2 Hybridization and the Structure of CH 4. spa c sp d To determine if H 2 S (hydrogen sulfide) is polar or nonpolar, we need to first determine its geometry. For example, the XeF 2 molecule H2Se is 91 degrees H2Te is 90 degrees PH3 93. Two of the sp 3 hybridized orbitals overlap with s orbitals from hydrogens to form the two N-H SeH2 is a chemical formula for Hydrogen Selenide. This intermixing usually results in the formation of hybrid Drago suggested an emprical rule which is compatible with the energetics of hybridization, It states that if the central atom is in the third row or below in the periodic table, the lone pair will Question: Give the electron geometry (eg), molecular geometry (mg), and hybridization for XeF 4. The hybridisation is usually taught as being sp3, but this is incorrect. sp3d3. Science; Chemistry; Chemistry questions and answers; A. depcb wrk lxhs gekv igvrp fwetus jwzjqv rgqnw kfkcrsi pcjbs