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Which of the following is the correct or...

Which of the following is the correct order of bond angle in `H_2S`, `NH_3`, `BF_3` and `SiH_4`?

A

`H_(2)S lt NH_(3) lt SiH_(4) lt BF_(3)`

B

`NH_(3) lt H_(2)S lt SiH_(4) lt BF_(3)`

C

`H_(2)S lt SiH_(4) lt NH_(3) lt BF_(3)`

D

`H_(2)S lt NH_(3) lt BF_(3) lt SiH_(4)`

Text Solution

Verified by Experts

The correct Answer is:
A
the order of bond angles
`underset(120^(@))(BF_(3)) gt underset(109^(@).28')(SiH_(4))gt underset(107^(@))(NH_(3)) gt underset(92.5^(@))(H_(2)S)`
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