MCQ
The charge (in coulomb) on $Cu ^{2+}$ ion is :
- A96500
- B57900
- C$1.6 \times 10^{-19}$
- ✓$3.2 \times 10^{-19}$
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$\mathrm{R}=8.314\; \mathrm{JK}^{-1} \mathrm{mol}^{-1}$

Given : $AB$ is $100\%$ ionised at boiling point of the solution, ($K_b / K_f $) water $= 0.3$