Question

Which one of the following is dimagnetic ?
(b) Fe3+
(a) Cr2+
(c) Cu2+
(d) Sc3+.​

Answer 1

Answer:

(d) Sc3+

Explanation:

b) Fe3+=(z=27) three unpaired electron

(a) Cr2+=(z=29) one unpaired electron

(c) Cu2+=(z=25) five unpaired electron

(d) Sc3+=(z=21) no unpaired electron