Carnallite on electrolysis gives

Carnallite On Electrolysis Gives Chemistry QuestionCarnallite On Electrolysis Gives Chemistry Question

Carnallite on electrolysis gives

Options

(a) Ca and Cl₂
(b) Na and CO₂
(c) Al and Cl₂
(d) K and Cl₂

Correct Answer:

K and Cl₂

Explanation:

Carnallite is an ore of potassium: KCl.MgCl₂.6H₂O. Electrolysis of fused KCl and CaCl₂ is carried out to obtain potassium. KCl ⇌ K⁺ + Cl⁻. At cathode, K⁺ + e⁻ → K. At anode, 2Cl⁻ → Cl₂ + 2e⁻.

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