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NTA Abhyas JEE Main2020Chemistryd and f Block ElementsPractice

Which of the following compounds is(are) coloured due to charge transfer spectra and not due to d-d transitions?

Options

  1. AK 2 C r 2 O 7
  2. BK M n O 4
  3. CC r O 3
  4. DAll of these

Correct answer

D. All of these

Step-by-step solution

K 2 C r 2 O 7 , K M n O 4 and C r O 3 are coloured due to charge transfer as in them there is no unpaired d-orbital electron. So d-d electronic transition is not possible.

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