Chemistry Question from JEE Main 2025 · 7 April, Shift 2

Given below are two statements :

$1 \, \text{M}$ aqueous solution of each of $Cu(NO_3)_2$, $AgNO_3$, $Hg_2(NO_3)_2$; $Mg(NO_3)_2$ are electrolysed using inert electrodes, Given : $E^0_{Ag^+/Ag} = 0.80 \, \text{V}$, $E^0_{Hg_2^{2+}/Hg} = 0.79 \, \text{V}$, $E^0_{Cu^{2+}/Cu} = 0.24 \, \text{V}$ and $E^0_{Mg^{2+}/Mg} = -2.37 \, \text{V}$

Statement (I) : With increasing voltage, the sequence of deposition of metals on the cathode will be Ag, Hg and Cu

Statement (II) : Magnesium will not be deposited at cathode instead oxygen gas will be evolved at the cathode.

In the light of the above statements, choose the most appropriate answer from the options given below :