Navigate

Carnallite on electrolysis gives

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⁻.

KL2003
admin:

Related Questions

  1. The colour of CoCl₃.5NH₃.H₂O is
  2. The coordination number and oxidation state number of Cr in K₃ Cr (C₂O₄)₃
  3. IF the bond energies of H – H , Br – Br and H – Br are 433 , 192 and 364 kJ mol⁻¹
  4. Which of the following is endothermic reaction
  5. Ethyl chloride on heating with AgCN forms a compound X.The functional isomer of