AP EAMCET · Chemistry · s Block Elements
Which one of the following electrolytes is used in Down's process of extracting sodium metal?
- A \(\mathrm{NaCl}+\mathrm{KCl}+\mathrm{KF}\)
- B \(\mathrm{NaCl}\)
- C \(\mathrm{NaOH}+\mathrm{KCl}+\mathrm{KF}\)
- D \(\mathrm{NaCl}+\mathrm{NaOH}\)
Answer & Solution
Correct Answer
(A) \(\mathrm{NaCl}+\mathrm{KCl}+\mathrm{KF}\)
Step-by-step Solution
Detailed explanation
Sodium metal is manufactured by the electrolysis of fused sodium chloride mixed with \(\mathrm{KCl}\) and \(\mathrm{KF}\). On electrolysis At iron cathode. \(\mathrm{Na}^{+}+e^{-} \longrightarrow \mathrm{Na}(s)\) (metallic sodium) At graphite anode…
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