JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
\(\mathrm{O}_2\) gas will be evolved as a product of electrolysis of :
(A) an aqueous solution of \(\mathrm{AgNO}_3\) using silver electrodes.
(B) an aqueous solution of \(\mathrm{AgNO}_3\) using platinum electrodes.
(C) a dilute solution of \(\mathrm{H}_2 \mathrm{SO}_4\) using platinum electrodes.
(D) a high concentration solution of \(\mathrm{H}_2 \mathrm{SO}_4\) using platinum electrodes.
Choose the correct answer from the options given below :
- A (A) and (C) only
- B (B) and (C) only
- C (A) and (D) only
- D (B) and (D) only
Answer & Solution
Correct Answer
(B) (B) and (C) only
Step-by-step Solution
Detailed explanation
When an aqueous solution of \(\mathrm{AgNO}_3\) is electrolysed using Pt electrodes Cathode: \(\mathrm{Ag}^{+}(\mathrm{aq})+\mathrm{e}^{-} \rightarrow \mathrm{Ag}(\mathrm{s})\) Anode :…
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