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JEE Main202125 Jul 2021Evening ShiftChemistryStructure of AtomActual

The spin only magnetic moments (in BM) for free Ti 3 + , V 2 + and Sc 3 + ions respectively are (At.No. Sc : 21 , Ti : 22 , V : 23 )

Options

  1. A3 . 87 , 1 . 73 , 0
  2. B1 . 73 , 3 . 87 , 0
  3. C1 . 73 , 0 , 3 . 87
  4. D0 , 3 . 87 , 1 . 73

Correct answer

B. 1 . 73 , 3 . 87 , 0

Step-by-step solution

μ = n ( n + 2 ) BM Ti + 3 = [ Ar ] 3   d 1    n = 1    μ = 1 . 73 BM V + 2 = [ Ar ] 3   d 3    n = 3    μ = 3 . 87 BM Sc + 3 = [ Ar ] 3   d 0 4   s 0    n = 0    μ = 0

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