Number of moles of K_(2)Cr_(2)O_(7) reduced by 1 mole of Sn^(2+) is __

1.	Number of moles of K_(2)Cr_(2)O_(7) reduced by 1 mole of Sn^(2+) is ____
Answer» `1/6` `1/3` `2/3` 1 Answer :B

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