Published by:
CGP EDU Academic Team
Published on: August 11, 2026
For [FeF 6 ] 3- and [CoF 6 ] 3- , the correct statement is
Text Solution
Verified by ExpertsThe correct answer is:
D
[FeF 6 ] 3- is colourless and [CoF 6 ] 3- is coloured
In [CoFe] 3- it absorbs red colour light so it shows complementary colour green, while in the case of [FeFe 6 ] 3- there is very weak splitting so the light absorbed will be in infrared region so its complementary colour is not in visible region of light hence it appears colourless.
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