AP EAMCET · Chemistry · Electrochemistry
The products obtained at the cathode and anode respectively during the electrolysis of aqueous \(\mathrm{K}_2 \mathrm{SO}_4\) solution using platinum electrodes are
- A \(\mathrm{O}_2, \mathrm{H}_2\)
- B \(\mathrm{H}_2, \mathrm{O}_2\)
- C $\mathrm{H}_2, \mathrm{SO}_2
- D \(\mathrm{K}, \mathrm{SO}_2\)
Answer & Solution
Correct Answer
(B) \(\mathrm{H}_2, \mathrm{O}_2\)
Step-by-step Solution
Detailed explanation
\(\mathrm{K}_2 \mathrm{SO}_4 \rightarrow 2 \mathrm{~K}^{-1}+\mathrm{SO}_4^{2-}\) Due to platinum electrodes, self ionization of water will take place. \(\mathrm{H}_2 \mathrm{O} \rightarrow 2 \mathrm{H}^{+}+\mathrm{OH}^{-}\) At cathode:…
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