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Three faradays of electricity qas passed...

Three faradays of electricity qas passed through an aqueous solution of iron I bromide. The mass of iron metal (atomic mass-56) deposited at thecathode is .

A

` 56 g`

B

` 84 g`

C

` 112 g`

D

` 168g`

Text Solution

Verified by Experts

The correct Answer is:
B
Mole of Fe deposited `= 1/2 xx 3 = 1.5` mole
`W_(Fe) = 1/5 xx 56= 84 g`.
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