What is the number of electrons gained by Cl atom when n mole of ClO_4^- is transformed into n mole of ClO_2^- ion?

MHT CET 2026 Chemistry question

What is the number of electrons gained by Cl atom when n mole of is transformed into n mole of ion?

Answer: (B)

Oxidation number of Cl in : . In : . Change , so each Cl atom gains electrons (reduction).

Create a free account to read the complete working, and practise questions like this in a timed test.

Question ID VK-101458