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Grade 11,

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Which of the following pair is expected to exhibit same colour in solution? (A) VOCl2 ; FeCl2 (B) CuCl2; VOCl2 (C) MnCl2 ; FeCl2 (D) FeCl2 ; CuCl2

Which of the following pair is expected to exhibit same colour in solution? 


 (A) VOCl2 ; FeCl2 (B) CuCl2; VOCl2 


 (C) MnCl2 ; FeCl2 (D) FeCl2 ; CuCl2 


Grade:11

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
9 years ago
V4+ and Cu2+ both have one unpaired electron available
the colour of the coordination compound is determined by the number of unpaired electron.for two comound having same unpaired electron their colour will be same
the colour is predicted on the basis of crystal field theory

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