The correct statement(s) about Cr^ 2+ and Mn^ 3+ is(are) [Atomic numbers of Cr = 24 and Mn = 25]

JEE Advanced 2015 Chemistry question

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

(A) is a reducing agentCorrect
(B) is an oxidizing agentCorrect
(C)Both and exhibit electronic configurationCorrect
(D)When is used as a reducing agent, the chromium ion attains electronic configuration

Answer: (A),(B),(C)

is and is , so (C) is correct. is readily oxidised to (, stable half-filled set), so it is a

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Question ID VK-026397