MCQ
A certain quantity of electricity is passed through aqueous $Al_2(SO_4)_3$ and $CuSO_4$​​​​​​​ solutions connected in series. $0.09 g$ of $Al$ is deposited on cathode during electrolysis. The amount of copper deposited on cathode in grams is : $($Atomic mass of $Al = 27 u, Cu = 63.5 u)$
  • A
    $31.8$
  • $0.318$
  • C
    $3.18$
  • D
    $0.636$

Answer

Correct option: B.
$0.318$
$0.318$

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