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Q.

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

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a

Cr2+is a reducing agent

b

Mn3+is an oxidizing agent

c

Both Cr2+ and Mn3+ exhibit d2  electronic configuration

d

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

answer is .

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Detailed Solution

Cr+2 undergoes oxidation. ∴  Cr+2 is a reducing agent.Mn+3 undergoes reduction, acts as oxidizing agent.
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