Q. The element that does NOT exhibit allotropy is

 1896  185 MHT CETMHT CET 2018The p-Block Elements - Part2 Report Error

Solution:

All the members of group 15 (except bismuth) shows the property of allotropy. Nitrogen exists in two solid allotropic forms. Phosphorus exists in several allotropic forms. Arsenic and antimony exists in three allotropic forms