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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⁻.
Related Questions: - According to MO theory which of the following lists ranks the nitrogen species
- The correct statement regarding defects in crystalline solids is
- Which of the following is obtained,when formaldehyde reacts with ammonia
- The entropy change in the conversion of a solid into its different states
- Which kind of isomerism is exhibited by octahedral [Co(NH₃)₄Br₂]Cl
Topics: Surface Chemistry and Isolation of Elements
(88)
Subject: Chemistry
(2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- According to MO theory which of the following lists ranks the nitrogen species
- The correct statement regarding defects in crystalline solids is
- Which of the following is obtained,when formaldehyde reacts with ammonia
- The entropy change in the conversion of a solid into its different states
- Which kind of isomerism is exhibited by octahedral [Co(NH₃)₄Br₂]Cl
Topics: Surface Chemistry and Isolation of Elements (88)
Subject: Chemistry (2512)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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