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MHT CET Chemistry question

ChemistryThe d and f-Block ElementsMHT CET

Which among the following ions contains maximum number of unpaired electrons? (At. no. Cr = 24, Ni = 28, Sc = 21, Zn = 30)

Answer: (A),(B)

Solution

is (3 unpaired), is (3 unpaired), is (1 unpaired)

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Question ID VK-074211