A current of 2 ampere passing for 5 hr through a molten tin salt deposits $22.2 g$ of tin. Find the oxidation number of tin (atomic weight of tin is 118.7) in the salt

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answer is 2.

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Detailed Solution

$w t = \frac{A t \times c \times t}{z \times 96, 500 c}, z = \frac{A t \times c \times t}{w t \times 96, 500} = \frac{118.7 \times 2 \times 5 \times 60 \times 60}{22.2 \times 96, 500} = 2$

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