Calculate standard cell potential for a cell having following reaction $2 Al _{( s )}+3 Ni ^{2+} \longrightarrow 2 Al ^{3+}+3 Ni _{( s )}$
$\left( E _{ Ni }^{\circ}=-0.25 V , E _{ Al }^{\circ}=-1.66 V \right)$
$\left( E _{ Ni }^{\circ}=-0.25 V , E _{ Al }^{\circ}=-1.66 V \right)$
- A$-0.50 V$
- ✓1.41V
- C0.41V
- D0.50V
Answer: B.
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