The colour of K_2Cr_2O_7 changes from redorange to lemon yellow on tre – InterviewSolution

1.	The colour of K_2Cr_2O_7 changes from redorange to lemon yellow on treatment with KOH(aq.) because of :
Answer» Reduction of CR (vi) to Cr (III) Formation of DICHROMATE hydroxide Conversion of dichromate into chromate ion Oxidation of potassium hydroxide ot potassium peroxide Answer :C

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