Downs Cell is used for the electrolysis of
Correct answer: C. Fused NaCl
- A. Aqueous NaCl
- B. Aqueous NaNO3
- C. Fused NaCl
- D. Fused NaN03
Explanation
Down's cell is used for the electrolysis of fused NaCl to obtain highly reactive sodium metal.
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About Reactions of Group I Elements
Group I elements have one valence electron, so their reactivity increases down the group as ionisation energy decreases. Their reactions with water, oxygen, hydrogen and halogens produce hydroxides, oxides, hydrides and halides, while the behaviour of lithium differs from the heavier metals because of its small ionic size.
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