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Chemistry
When SO2 is passed through acidic solution of potassium dichromate, then chromium sulphate is formed. Change in valency of chromium is
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Q. When $SO_{2}$ is passed through acidic solution of potassium dichromate, then chromium sulphate is formed. Change in valency of chromium is
Redox Reactions
A
$+4 \,to\, +2$
6%
B
$+5\, to\, +3$
6%
C
$+6 \,to\, +3$
78%
D
$+7 \,to\, +2$
10%
Solution:
In this reaction chromium change from + 6 to +3 oxidation state.
