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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