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QNEET-2022-Ch-410: NEET 2022 Chemistry - Class 12 NEET-2022-Ch-410 Solution: The order of energy absorbed which is responsible for the color …

The order of energy absorbed which is responsible for the color of complexes (A) [Ni(H2O)2(en)2]2+[Ni(H_2O)_2(en)_2]^{2+} (B) [Ni(H2O)4(en)]2+[Ni(H_2O)_4(en)]^{2+} and (C) [Ni(en)3]2+[Ni(en)_3]^{2+} is (A) > (B) > (C) (C) > (B) > (A) (C) > (A) > (B) (B) > (A) > (C)

Multiple Choice Options

  • A (A) > (B) > (C)
  • B (C) > (B) > (A)
  • C (C) > (A) > (B)
  • D (B) > (A) > (C)

Step-by-Step Verified Solution

Stronger the field strength of ligand, higher will be the energy absorbed by the complex. _ 'en' has a stronger field strength than 'H 2 O' according to spectrochemical series _ Correct order of energy absorbed will be : [Ni(en) 3 ] 2+ > [Ni(H 2 O) 2 (en) 2 ] 2+ > [Ni(H 2 O) 4 (en)] 2+ i.e. (C) > (A) > (B)

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