Question

-96500 कूलॉम विद्युत Cuso4 के विलयन से मुक्त करता hai
(A) 63.5 ग्राम ताँबा
(B) 31.76 ग्राम ताँ ​

Answer 1

31.76 grams is deposited by 96500 C.

Explanation:

According to mole concept:

1 mole of an atom contains $6.022\times 10^{23}$ number of particles.

We know that:

Charge on 1 electron = $1.6\times 10^{-19}C$

Charge on 1 mole of electrons = $1.6\times 10^{-19}\times 6.022\times 10^{23}=96500C$

Electrolysis of $CuSO_4$

$CuSO_4\rightarrow Cu^{2+}+SO_4^{2-}$

$Cu^{2+}+2e^-\rightarrow Cu$

$96500\times 2=193000C$ is required to deposit 1 mole of copper

i.e. 193000C is required to deposit = 63.5 g

Thus 96500 C is  required to deposit =$\frac{63.5}{193000}\times 96500=31.76g$

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