Question

How many Faradays are required to generate one gram atom of magnesium from $MgC{l}_2$ ?

• A. 1
• B. 2
• C. 3
• D. 4

Answer 1

Answer: (B)

$1$ mole of electrons $=1F$

$M{g}^{2+}+2e^{-}⟶Mg$

$2$ moles of electrons $=2F$