Question

The correct statement(s) about Cr²⁺ and Mn³⁺ is(are):

[Atomic numbers of Cr = 24 and Mn = 25]

Options

• Cr²⁺ is a reducing agent.

• Mn³⁺ is an oxidizing agent.

• both Cr²⁺ and Mn³⁺ exhibit d⁴ electronic configuration.

• when Cr²⁺ is used as a reducing agent, the chromium ion attains d⁵ electronic configuration.

Answer 1

Cr²⁺ is a reducing agent, Mn³⁺ is an oxidizing agent, and both Cr²⁺ and Mn³⁺ exhibit d⁴ electronic configuration.