1.

The incorrect statement regarding O(SiH_(3))_(2) and OCl_(2) molecule is/are

Answer»

The strength of back BONDING is more in`O(SiH_(3))_(2)` molecule than `Ocl_(2)` molecule
`Si-O-Si` bond ANGLE in `O(SiH_(3))_(2)` is greater than `Cl-O-Cl` bond angle in `OCl_(2)`
The nature of back in both molecules is `2p_(x)-3d_(pi)`
Hybridisation of centralO-atom in both molecules is same

Solution : hybridisation of O-atom : `sp^(2)` due to more extent of `(2p_(pi)-3d_(pi))` back bonding.
Hybridisation of O-atom remains `sp^(3)`, becouse of LESS effective `(2p_(pi)-3d_(pi))` back bonding due to d-orbital resonance


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