Hydrogen gas is not liberated when the following metal is added to dil $HCl$.

Which of the following expressions is correct for the standard Gibbs free energy change?

$K,$ $Ca,$ and $Li$ metals may be arranged in the increasing order of their standard electrode potentials as

The standard electrode potential $(E^o)$ of $Cu^{2+}/Cu$ is $+0.34 \, V$,while that of $Zn^{2+}/Zn$ is $-0.76 \, V$. Explain the reason for this difference.

For a cell constructed with $Cu$ and $Ag$ electrodes,which of the following statements is correct regarding the cathode and the standard cell potential $(E_{cell}^{\circ})$?

Standard electrode potential of $SHE$ at $298 \, K$ is ............. $V$.