Embibe Experts Solutions for Chapter: Electrochemistry, Exercise 2: Level 2

Which of the following statement(s) is/are false for electrolytic cell?

Mark the correct statement(s) for corrosion.

When a copper rod is dipped in aqueous silver nitrate solution, the colour of the solution changes to blue. This is because:

Iron nails are dipped into a blue copper sulfate solution. After some time, the iron nails are_____.

Which one among the following metals is more reactive than hydrogen?

Which one of the following elements will replace hydrogen from acids to form salts?

The standard Gibbs free energy change $\left({\mathrm{\Delta G}}^0 \mathrm{in} \mathrm{kJ} {\mathrm{mol}}^{-1}\right)$ in a Daniel cell $\left(\mathrm{E}°{}_{\mathrm{cell}}=1.1 \mathrm{V}\right)$, when $2$ moles of $\mathrm{Zn}\left(\mathrm{s}\right)$ is oxidised at $298 \mathrm{K}$, is closed to:

The electrolysis of a concentrated aqueous solution of $\mathrm{NaCl}$ results in: