Question

How many faraday are required to generate one grame atom of magnesium from mgcl2?

Answer 1

question : How many faraday are required to generate one grame atom of magnesium from mgcl2 ?

solution : one gram atom means one mole.

we have to find the amount of Faraday which is required to generate one mole of magnesium from MgCl₂.

we know, MgCl₂ ⇔Mg²⁺ + 2Cl¯

Mg²⁺ + 2e¯ ⇔ Mg

so, it is clear that one mole of magnesium is formed by two moles of electrons.

as 1 mole of electrons is equivalent to 1 Faraday of charge

so, two moles of electrons are equivalent to 2 Faradays of charge.

Therefore 2 Faradays are required to generate one gram atom of magnesium from MgCl₂.

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