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The colour of K2Cr2O7 changes from red o...

The colour of `K_2Cr_2O_7` changes from red orange to lemon yellow on treatment with aqueous KOH because of the _____________.

A

reduction of Cr(VI) to Cr(III)

B

formation of chromium hydroxide

C

conversion of dichromate to chromate

D

oxidation of potassium hydroxide to potassium peroxide.

Text Solution

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The correct Answer is:
C
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