Which of the following reaction takes place at the cathode during electrolysis of molten magnesium chloride?

Mg → Mg²⁺ + 2e^-

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2Cl^- → Cl₂ + 2e^-

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Mg²⁺ + 2e^- → Mg

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Cl₂ + 2e^- → 2Cl^-

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Solution

The correct option is C
Mg²⁺ + 2e^- → Mg

During electrolysis of molten magnesium chloride, Mg²⁺ ion is reduced at the cathode.

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Similar questions

C u C l_{2}

Identify the correct reaction from the options given below for the electrolysis of $C u C l_{2}$ .

$2 C l^{-} \to C l_{2} + 2 e^{-}$
$2 H_{2} O + 2 e^{-} \to H_{2} + 2 O H^{-}$

Which of the following is correct regarding liberation of electrolytic products?

Given are the reactions occuring during the electrolysis of sodium chloride solution:

$2 C l^{-} \to C l_{2} + 2 e^{-}$
$2 H_{2} O + 2 e^{-} \to H_{2} + 2 O H^{-}$

Which of the following is correct regarding liberation of electrolytic products?

H g_{2} C l_{2} + C l_{2} \to 2 H g^{+} + 4 C l^{-}

H g_{2} C l_{2} + 2 e^{-} \to 2 H g + 2 C l^{-}; E^{\circ} = 0.270 v o l t

H g_{2}^{2 +} \to 2 H g^{2 +} + 2 e^{-}; E^{\circ} = - 0.92 v o l t

2 H g \to H g_{2}^{2 +} + 2 e^{-}; E^{\circ} = - 0.79 v o l t

C l_{2} + 2 e^{-} \to 2 C l^{-}; E^{\circ} = 1.36 v o l t

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