\[ \mathrm{Pt}(s)\left|\mathrm{H}_{2}(g, 1 \mathrm{bar})\right| \ma...

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\[
\mathrm{Pt}(s)\left|\mathrm{H}_{2}(g, 1 \mathrm{bar})\right| \mathrm{H}^{+}(a q, 1 \mathrm{M}) \| \mathrm{Cu}^{2+}(a q, 1 \mathrm{M}) \mid \mathrm{Cu}
\]
The measured emf of the cell is \( 0.34 \mathrm{~V} \) means
(a) \( \mathrm{Cu}^{2+} \) ions get reduced easily than \( \mathrm{H}^{+} \)ion
(b) hydrogen ions cannot oxidise \( \mathrm{Cu} \)
(c) copper does not dissolve in \( \mathrm{HCl} \)
(d) All of the above
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