Which among the following group 15 elements does not exhibit allotropy?

Question

Which among the following group 15 elements does not exhibit allotropy? (A) N (B) As (C) Sb (D) Bi

Tardigrade Admin · Accepted Answer

All the elements of group 15 except Bi show allotropy as nitrogen exists in two solid forms namely α -nitrogen and β -nitrogen. Phosphorus exists in a number of allotropic forms. As exists as grey, yellow and black arsenic and Sb exists as metallic, α and β -antimony.

Q. Which among the following group $15$ elements does not exhibit allotropy?

$N$

$A s$

$S b$

$B i$

All the elements of group $15$ except $B i$ show allotropy as nitrogen exists in two solid forms namely $α$ -nitrogen and $β$ -nitrogen. Phosphorus exists in a number of allotropic forms. As exists as grey, yellow and black arsenic and Sb exists as metallic, $α$ and $β$ -antimony.

Q. Which among the following group 15 elements does not exhibit allotropy?

N

As

Sb

Bi