One mole of acidified \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) on reaction with exces...

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One mole of acidified \( \mathrm{K}_{2} \mathrm{Cr}_{2} \mathrm{O}_{7} \) on reaction with excess \( \mathrm{KI} \) will liberate mole (s) of \( \mathrm{I}_{2} \).
\( \mathrm{P} \)
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