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AP EAMCET · Chemistry · s Block Elements

Compound \(A\) is prepared by the electrolysis of aqueous solution of \(B\) using Castner- Kellner cell with mercury as cathode and carbon as anode. \(A\) and \(B\) respectively are

  1. A NaOH, NaCl
  2. B NaCl, NaOH
  3. C \(\mathrm{NaHCO}_3, \mathrm{NaOH}\)
  4. D \(\mathrm{Na}_2 \mathrm{CO}_3, \mathrm{NH}_3\)
Verified Solution

Answer & Solution

Correct Answer

(A) NaOH, NaCl

Step-by-step Solution

Detailed explanation

In Castner - Kellner cell, Reaction at anode is \[ \mathrm{Cl}^{-} \longrightarrow \frac{1}{2} \mathrm{Cl}_2+e^{-} \] Reaction cathode is…