Which of the following ions has the highest magnetic moment

Which of the following ions has the highest magnetic moment
  1. Ti3+
  2. Sc3+
  3. Mn2+
  4. Zn2+

Solution

Ti3+3d14s0 ; Sc3+3d0 ; Mn2+3d54s0 ; Zn2+3d104s0

In Mn2+ number of unpaired d e-=5 . So it has maximum magnetic moment according to the formula. μ=n(n+2)

Asked in: MHT CET Full Test 2

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