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ChemistryNEET 2022Valence bond and crystal field theory

Coordination Compounds

The order of energy absorbed, which is responsible for the colour of the complexes

(A) [Ni(H2O)2(en)2]2+\mathrm{[Ni(H_2O)_2(en)_2]^{2+}}

(B) [Ni(H2O)4(en)]2+\mathrm{[Ni(H_2O)_4(en)]^{2+}} and

(C) [Ni(en)3]2+\mathrm{[Ni(en)_3]^{2+}}

is:

  1. A.(B) > (A) > (C)
  2. B.(A) > (B) > (C)
  3. C.(C) > (B) > (A)
  4. D.(C) > (A) > (B)✓

You have the answer. The worked solution — and why the other three were written — is part of a paid pack.

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