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Question

Spliting energy of [Cr(X)₆]³+, [Cr(Y)₆]³⁺,[Cr(Z)₆]³⁺ are 315,215 and 184 kJ/mole respectively, then their colour are:

Answer 1

Given ,

Splitting energy of [Cr (X₆)³⁺ = 315  kJ/mole

Splitting energy of [Cr (y₆)³⁺ = 210  kJ/mole

Splitting energy of [Cr (Z₆)³⁺ = 184 kJ/mole

Hence , the color of given compounds are  Red yellow and green

Comments

Wrong answer. Correct answer is (1)

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According to crystal field theory vacant d orbital give color as given in answer