A) +4 to +2
B) +5 to +3
C) +6 to +3
D) +7 to +2
Correct Answer: C
Solution :
When \[S{{O}_{2}}\] is passed through acidified solution of potassium dichromate, then chromium sulphate is formed the change in valency of chromium is +6 to +3.You need to login to perform this action.
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