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The correct order of bond angle (smalles...

The correct order of bond angle (smallest first) in `H_(2)S, NH_(3), BF_(3)` and `SiH_(4)` is :

A

`H_(2)SltNH_(3)ltSiH_(4)ltBF_(3)`

B

`NH_(3)ltH_(2)SltSiH_(4)ltBF_(3)`

C

`H_(2)SltSiH_(4)ltNH_(3)ltBF_(3)`

D

`H_(2)SltNH_(3)ltBF_(3)ltSiH_(4)`.

Text Solution

Verified by Experts

The correct Answer is:
A
Bond angles are : `H_(2)S(92.5^(@)) lt NH_(3)(107^(@))lt SiH_(4)(109.5^(@)) lt BF_(3)(120^(@))`
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