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Q. Electrode potentials for the general reaction, $M _{( aq )}^{3+}+3 e ^{-} \longrightarrow M _{( s )}$ are given below. $M$ belongs to group $13$. The electrode potential of the most electropositive metal among the given is _____.$V$
Metal $M_1$ $M_2$ $M_3$ $M_4$
Electrode potential $(V)$ $-0.56$ $-1.66$ $+1.26$ $-0.34$

The p-Block Elements

Solution:

Larger negative electrode potential, greater is the tendency to lose electrons and thus, greater is the electropositivity.