On shaking H2O2 with acidified potassium dichromate and ether, ethanal layer becomes

On shaking H2O2 with acidified potassium dichromate and ether, ethanal layer becomes

  1. A

    Green

  2. B

    Red

  3. C

    Blue

  4. D

    Black

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    Solution:

    This is due to the formation of CrO5

    K2Cr2O7  +  H2SO4 + 4H2O2  K2SO4 + 2CrO5Blue + 5H2O

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