Asked by Anonyms
                1)What is the correct structure of AsH3???? 2)Name the type of hybrid orbitals of central form. 3) Name the molecular geometry of compound. 4)State weather it is polar or non polar. 5) Estimate H-As-h bond angle in degree. 6) what is the dominant form of secondary bonding for AsH3?
Please answer it.
            
        Please answer it.
Answers
                    Answered by
            bonjo
            
    1. trigonal pyramid; three hydrogen and 1 lone pair around As atom.  
2. sp3
3. tetrahedral
4. polar
5. slightly less than 109.5
6. covalent bond
    
2. sp3
3. tetrahedral
4. polar
5. slightly less than 109.5
6. covalent bond
                    Answered by
            SSSS
            
    Point 6 - covalent bond -Wrong !!!
    
                    Answered by
            Anonyms
            
    Its dipole dipole interaction for (6)
    
                    Answered by
            Anonyms
            
    Trigonal pyramid is not in my answers. I got it wrong.
    
                    Answered by
            Anon
            
    It's Tetrahedral, the others i don't know.
    
                    Answered by
            Anon
            
    Scratch what i just said out. also, out of the choices provided, which one is closest to 'trigonal pyramidal', because it definitely isn't trigonal planar.
    
                    Answered by
            bonjo
            
    the molecular geometry is tetrahedral..but the structure is trigonal pyramid i.e. three surrounding atom with 1 lone pair of electron around As.  but the overall arrangement of the electron density is tetrahedral (four sites occupied).  trigonal planar structure exist in molecules consisted of a central atom bonded to 3 surrounding atoms, with no lone pair.  Arsenic cannot be trigonal planar because, it has 5 valence electrons as in Nitrogen (2 paired and 3 unpaired which is used for the bond).  
    
                    Answered by
            Anonyms
            
    but still i got it wrong
    
                    Answered by
            Anonymous
            
    its tetrahedral ep @ top as is cntr n 3 hydrogen
    
                    Answered by
            Anonyms
            
    Ya thanx. its tetrahedral.
    
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