D-And F-Block Elements Ques 379

Question: The magnetic moment of a metal ion of first transition series is 2.83 BM . Therefore it will have unpaired electrons

Options:

A) 6

B) 4

C) 3

D) 2

Show Answer

Answer:

Correct Answer: D

Solution:

μ=n(n+2) (m = magnetic moment) (n = no.

of unpaired electron).

2.83=n(n+2)

n(n+2)=8

n2+2n8=0

n=2 .



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