1.

What is the geometry of water molecule ?

Answer»

Distorted tetrahedral
Tetrahedral
Trigonal planar
Diagonal

Solution :Geometry of molecule be predicted by using the formula
`H=(1)/(2)[Ve+V-C+A]`
VE = valence shell ELECTRONS of the central ATOM
Y=number of MONOVALENT atom
C = TOTAL positive charge
A = total negative charge
In case of `H_(2)O` molecule,
`H=(1)/(2)[6+2-0+0]=4`
Hybridisation of `H_(2)O` molecule comes out to be `sp^(3)`. Thus the geometry of `H_(2)O` molecule is tetrahedral but the SHAPE is distroted tetrahedral or angular due to presence of two lone pair of electrons.


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