The correct statement(s) about Cr2+ and Mn3+ is (are) [Atomic numbers of Cr = 24 and Mn = 25]

Engineering

Chemistry

d Block Elements and Properties

Question

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

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

Mn³⁺ is an oxidizing agent

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

Both Cr²⁺ and Mn³⁺ exhibit d⁴ electronic configuration

Cr²⁺ is a reducing agent

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(1) Cr²⁺ is a reducing agent because Cr³⁺ is more stable.

(2) Mn³⁺ is an oxidizing agent because Mn²⁺ is more stable.

(3) Cr²⁺ and Mn³⁺ exhibit d4 electronic configuration.