Arrange NH3,PH3,AsH3,SbH3 in increasing bond angle.
A
NH3>SbH3>PH3>AsH3
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B
NH3>SbH3>AsH3>PH3
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C
NH3<PH3<AsH3<SbH3
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D
NH3>PH3>AsH3>SbH3
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Solution
The correct option is CNH3>PH3>AsH3>SbH3 As we move down the group, radius of elements increases and electronegativity decreases so bond angle decreases. so bond order is NH3>PH3>AsH3>SbH3 107939291