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NEET2014ChemistryStructure of AtomActual

Choose the correctly paired gaseous cation and its magnetic (spin only) moment (in B.M.)

Options

  1. ATi ²⁺, 3.87 B.M.
  2. BCr ²⁺, 4.90 B.M.
  3. CCo ³⁺, 3.87 B.M.
  4. DMn ²⁺, 4.90 B.M.

Correct answer

B. Cr ²⁺, 4.90 B.M.

Step-by-step solution

Using expression, = n(n+2) B.M. (where, n= no. of unpaired electrons)

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