Seema Saini Solutions for Chapter: Electrochemistry, Exercise 2: DPP 3.2

Which of the following gives the charge of an electron?

In the electrolysis of copper $\left(\mathrm{II}\right)$ chloride solution, the mass of cathode is increased by $3.15 \mathrm{g}$. At the copper anode, we will have

One $\mathrm{g}-$equivalent of $\mathrm{Na}$ metal is formed from electrolysis of fused $\mathrm{NaCl}$. The number of moles of $\mathrm{Al}$ from the fused ${\mathrm{Na}}_3{\mathrm{AlF}}_6$ with the same current passed is

Which of the following statements are incorrect?

Which of the following statements are not correct?

Which of the following statements are not correct?

Three moles of electrons are passed through three solutions in succession containing ${\mathrm{AgNO}}_3,{\mathrm{CuSO}}_4$ and ${\mathrm{AuCl}}_3$, respectively. The molar ratio of amounts of cations reduced at cathode will be

On electrolysis, in which of the following will ${\mathrm{O}}_2$ be liberated at the anode?