Question

Number of faradays' required to generate one gram atom of magnesium from molten $MgC{l}_2$ is_________.

• A. $1$
• B. $2$
• C. $3$
• D. $4$

Answer 1

The correct option is B $2$

$M{g}^{2+}+2e^{-}\to Mg$
$1mole$ of $Mg$ atom requires $2mole$ of electrons, i.e., $2$ faraday of charge.