Question

For which of the following elements it is difficult to disproportionate in +3 oxidation state? (a) N (b) As (c) Sb (d) Bi

Answer 1

Answer : (d) Bi
hope it help you

Answer 2

Answer:

(d) Bi

Explanation:

Tendency to show +3 O.S increases due to inert pair effect as we go down the group and hence tendency to disproportionate decreases