A) Much less than \[N{{H}_{3}}\]
B) Equal to that of \[N{{H}_{3}}\]
C) Much greater than \[N{{H}_{3}}\]
D) Slightly greater than \[N{{H}_{3}}\]
Correct Answer: A
Solution :
In fifth group hydride bond angle decreases from top to bottom \[N{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>\] \[Sb{{H}_{3}}>Bi{{H}_{3}}\].
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