P Block Elements Question 119
Question: Which of the following elements of group VA does not show allotropy
[CPMT 1980]
Options:
A) $ N $
B) $ Bi $
C) $ P $
D) As
Show Answer
Answer:
Correct Answer: B
Solution:
Bismuth does not show allotropy other elements show allotropy. Nitrogen $\rightarrow$ a-nitrogen and b-nitrogen (solid crystalline forms) Phosphorus $\rightarrow$ White, Red and Black forms Arsenic $\rightarrow$ Yellow and Grey forms Antimony $\rightarrow$ Yellow and Grey forms
BETA
