Spin only magnetic moment of [MnBr_ 6 ]^ 4- is _____ B.M. [round off to the closest integer]

JEE Main 2022 Chemistry question

Spin only magnetic moment of is B.M. [round off to the closest integer]

Answer: 6

In , x + 6(−1) = −4, so the oxidation state of Mn is +2. is , and is a weak field

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Question ID VK-035221