Multiple choice

Which of the following first row transition metal ions do not show paramagnetism?

  1. Sc3+ and Ti2+

  2. Sc3+ and Zn2+

  3. Cr2+ and Mn2+

  4. Ni2+ and Cu2+

  5. Cu2+ and Zn2+
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Sc3+ has d0 configuration. Because of lack of unpaired electrons, Sc3+ does not show paramagnetism. Zn2+ has d10 configuration. Because of lack of unpaired electrons, Zn2+ does not show paramagnetism.

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