Of the ions Zn^ 2+ , Ni^ 2+ and Cr^ 3+ , (atomic number of Zn=30, Ni=28, Cr=24)

JEE Main Chemistry question

Of the ions and , (atomic number of Zn=30, Ni=28, Cr=24)

Answer: (C)

has no unpaired electrons (colourless); has 2 unpaired

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Question ID VK-147400