When KOH solution is added to potassium dichromate solution,the colour – InterviewSolution

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1.	When KOH solution is added to potassium dichromate solution,the colour of solution changes to yellow because :
Answer» chromate ION changes to dichromate ion dichromate ion changes to chromate ion oxidation NUMBER of chromium changes from +6 to +4 oxidation number of chromium changes from +4 to +6 Answer :A::B::C::D

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