JEE Mains · Chemistry · STD 12 - 2. Electrochemistry
The reaction occurs in which of the following galvanic cell?
- A \(\mathrm{Pt}\left|\mathrm{H}_{2(\mathrm{~g})}\right| \mathrm{HCl}_{(\text {soln.) }}\left|\mathrm{AgCl}_{(\mathrm{s})}\right| \mathrm{Ag}\)
- B \(\mathrm{Pt}\left|\mathrm{H}_{2(\mathrm{~g})}\right| \mathrm{HCl}_{\text {(solm) }}\left|\mathrm{AgNO}_{3(2 \mathrm{~g})}\right| \mathrm{Ag}\)
- C \(\mathrm{Pt}\left|\mathrm{H}_{2(\mathrm{~g})}\right| \mathrm{KCl}_{\text {(solm. } .)}\left|\mathrm{AgCl}_{(\mathrm{s})}\right| \mathrm{Ag}\)
- D \(\mathrm{Ag}\left|\mathrm{AgCl}_{(5)}\right| \mathrm{KCl}_{(50 \mathrm{~m} .)}\left|\mathrm{AgNO}_{3(\mathrm{mq} .)}\right| \mathrm{Ag}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{Pt}\left|\mathrm{H}_{2(\mathrm{~g})}\right| \mathrm{KCl}_{\text {(solm. } .)}\left|\mathrm{AgCl}_{(\mathrm{s})}\right| \mathrm{Ag}\)
Step-by-step Solution
Detailed explanation
Anodic half cell Gas - gas ion electrode \(\frac{1}{2} \mathrm{H}_{2(\mathrm{~g})} \rightarrow \mathrm{H}_{(\mathrm{aq})}^{+}+\mathrm{e}^{-}\) Cathodic Reaction Metal-metal insoluble salt anion electrode…
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