Question

Zn 2 + + 2 electron you raise to zn and what quantity of electricity in coulomb required to deposit 1 mole of zinc

Answer 1

it is a experimental value based on the standard electrode potential.
so we do not assume as theoretically.

Answer 2

193000 of electricity in coulomb required to deposit 1 mole of zinc

Explanation:

Moles of electron = 1 mole

According to mole concept:

1 mole of an atom contains $6.022\times 10^{23}$ number of particles.

We know that:

Charge on 1 electron = $1.6\times 10^{-19}C$

Charge on 1 mole of electrons = $1.6\times 10^{-19}\times 6.022\times 10^{23}=96500C$

$Zn^{2+}+2e^-\rightarrow Zn$

1 mole of zinc is deposited by = 2 mole of electrons

1 mole of zinc is deposited by = $2\times 96500C=193000C$ of electricity

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