A) The reduction of \[C{{r}^{VI}}\] to \[C{{r}^{III}}\]
B) The formation of chromium hydroxide
C) The conversion of dichromate to chromate
D) The oxidation of potassium hydroxide to potassium peroxide
Correct Answer: C
Solution :
The conversion of dichromate to chromate. \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}+2KOH\to \underbrace{2{{K}_{2}}Cr{{O}_{4}}}_{\text{yellow}}+{{H}_{2}}O\]
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