Which of the following statements is incorrect for the grou…

Chemistry S and P - Block Elements (S - Block Elements Not In Syllabus ) Physical and Chemical Properties of Group 15th Elements Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 13, 2026

Which of the following statements is incorrect for the group 15 th elements ?

Metallic character increases down the group with decrease in ionisation enthalpy and increase in atomic size.

The stability of +5 oxidation state decreases and that of +3 state increases down the group on account of inert pair effect.

The tendency to undergoes –3 oxidation state decreases down the group due to increase in size and metallic character.

In case of phosphorus compounds having +4 oxidation state disproportionates into +5 and +3 both in acid and alkali.

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