1.

When \[S{{O}_{2}}\] is passed through acidified \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] solution [CPMT 1989, 94]

A. The solution turns blue
B. The solution is decolourised
C. \[S{{O}_{2}}\] is reduced
D. Green \[C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\] is formed
Answer» E.


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