Question

The correct statement(s) about Cr²⁺ and Mn³⁺ is (are) [Atomic numbers of Cr = 24 and Mn = 25]
(a) Cr²⁺ is a reducing agent
(b) Mn³⁺ is an oxidizing agent
(c) Both Cr²⁺ and Mn³⁺ exhibit da electronic configuration.
(d)When Cr²⁺ is used as a reducing agent, the chromium ion attains d5 electronic configuration.

Answer 1

The correct answer is( A, B, C)

Cr²⁺ is a reducing agent Mn³⁺ is an oxidising agent both Cr²⁺ & Mn3+ exhibit d4 electronic configuration.