When SO2 is passed in acidified potassium dichromate solution ,the ox – InterviewSolution

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1.	When SO2 is passed in acidified potassium dichromate solution ,the oxidation number of S is changed from 1)+4 to zero .2)+4to +2 .3)+4 to +6 .4)+6to +
Answer» When SO2 is passed in acidified potassium dichromate solution ,the oxidation number of S is changed from 1)+4 to zero .2)+4to +2 .3)+4 to +6 .4)+6to +

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