Q13 of 37 Page 1

Question is multiple choice question

The absorption maxima of several octahedral complex ions are as follows:-



The crystal field splitting is maximum for:


More the energy required, more is the crystal field splitting. Also, energy is inversely proportional to wavelength. Due to which, compounds having lower values of λmax, crystal field splitting would be maximum.


In [Co(CN)6]3-, the value of λmax is the least, so its crystal field splitting is maximum.


Thus, Option B is the correct answer.

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