Question

Which of the following statements is true?

A

Except N all elements of V group exhibit allotropy.

B

All V group elements exhibit allotropy

C

All V group elements except Bi exhibit allotropy

D

All V group elements except N and Bi exhibit allotropy

Easy
Solution
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Correct option is D)

Nitrogen does not show allotropy because of its small size and high electronegativity.
Due to inert pair effects, Bi does not show allotropy.
Note: When nitrogen is in solid form, it show allotropy. So all Vth group elemnts except N and Bi show allotropy

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