A) \[\frac{1}{3}\]
B) \[3\]
C) \[\frac{1}{6}\]
D) \[6\]
Correct Answer: A
Solution :
One mole of \[S{{n}^{2+}}\] can reduce 1/3 moles of\[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\].
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