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The molecule having smallest bond angle ...

The molecule having smallest bond angle is

A

`NCl_3`

B

`AsCl_3`

C

`SbCl_3`

D

`PCl_3`

Text Solution

Verified by Experts

The correct Answer is:
C

`MCl_3` has `sp^3` hybridized M-element with one lone-pair. Lone-pair and bond-pair repulsion decreases bond angle. However, the bond-pairs of electrons are much farther away from the central atom than they are in `NCl_3`.Thus, lone-pair cause greater distortion in `PCl_3`. `AsCl_3` and `SbCl_3`.Thus, bond angle decreases from `NCl_3` (maximum) to `SbCl_3` (minimum).
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