The correct order of bond angles (smalle...

The correct order of bond angles (smallest first) in `H_2 S, NH_3, BF_3 and SiH_4` is

A

`H_2S lt NH_3 lt SiH_4 lt BF_3`

B

`NH_3 lt H_2S lt SiH_4 lt BF_3`

C

`H_2S lt SiH_4 lt NH_3 lt BF_3`

D

`H_2S lt NH_3 lt BF_3 lt SiH_4`

Verified by Experts

The correct Answer is:

A

The correct order of bond angle (Smallest first) is
`H_2S < NH_3 < SiH_4 < BF_3`
`92.6°<107°<109°28.< 120° `

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