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MHT CET202124 Sep 2021Morning ShiftChemistryStructure of AtomActual

Which of the following elements in their respective oxidation states does not develop spin only magnetic moment? [Ti ( Z =22), Zn ( Z =30), V ( Z =23), Cu ( Z =29)]

Options

  1. ACu ²⁺
  2. BZn ²⁺
  3. CTi ³⁺
  4. DV ³⁺

Correct answer

B. Zn ²⁺

Step-by-step solution

Spin only magnetic moment = n ( n +2) n = no. of unpaired electrons Zn ²⁺ [ Ar ] 3 ~d ¹⁰ n =0 Spin only magnetic moment =0

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