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COMEDK2012ChemistryStructure of Atom

The spin only magnetic moment of Ni ²⁺( in BM ) in aqueous solution will be

Options

  1. A1.73
  2. B2.84
  3. C3.42
  4. D2.25

Correct answer

B. 2.84

Step-by-step solution

Electronic configuration of Ni =[ Ar ] 3 d⁸ 4 s² Number of unpaired electrons =2 aligned Magnetic moment ( ) &= n(n+2) &= 2(2+2) = 8 =2.84 . aligned

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