Q.
The equilibrium $Cu^{0}+Cu^{II}\rightleftharpoons2Cu^{I}$
In aqueous medium at $25^\circ C$ shifts towards the left in the presence of
$1.Cl^{-}2.CN^{-}3.SCN^{-}4.NO_{3}^{-}$
NTA AbhyasNTA Abhyas 2022
Solution: