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In which of the following compounds obse...

In which of the following compounds observed bond angle is found to be greater than expected, but not due to back bonding.

A

`N(SiH_(3))_(3)`

B

`N(CH_(3))_(3)`

C

`O(CH_(3))_(2)`

D

`O(SiH_(3))_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
Due to `2p_(pi)*3d_(pi)` back bonding observed bond angle in `N(SiH_(3))_(3) and O(SiH_(3))_(2)` is higher than expected
both have no back bonding but higher bond angle is due to steric repulsions between methyl groups.
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