In the Cr^ +2 , Mn^ +3 , Fe^ +2 and Co^ +3 ion, number of unpaired electrons and magnetic moment will be

MHT CET Chemistry question

In the Cr, Mn, Fe and Co ion, number of unpaired electrons and magnetic moment will be

Answer: (B)

Cr2+ (d4), Mn3+ (d4), Fe2+ (d6) and Co3+ (d6) in their usual high-spin state each have 4 unpaired electrons, so \sqrt${4

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Question ID VK-074312