1.

The same amount of electricity was passed through two separate electrolytic cells containing solutions of nickel nitrate and chromium nitrate respectively . If 0.3 g of nickel was deposited in the first cellthe amount of chromium deposited is (at .mass Ni = 59 , Cr = 52)

Answer»

`0.1` g
`0.17` g
`0.3` g
`0.6 `g

SOLUTION :Faraday's `II^(ND)` law
`(0.3)/(59//2) = (W)/(52//3)`
`W_(Cr) = 0.176` g


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