P-Block Elements Ques 253
Question: Among the members of V A group (N, P, As, Sb and Bi), which of the following properties shows an increase as we go down from nitrogen to bismuth
[CPMT 1982]
Options:
A) Stability of +3 oxidation state
B) Reducing character of hydrides
C) Electronegativity
D) Acidic nature of the pentoxide
Show Answer
Answer:
Correct Answer: A
Solution:
Stability of + 3 oxidation states increases on account of inert pair effect. Reducing character of hydrides increases down the group because bond dissociation energy decreases down the group.
