The EMF of the following cell is \( 0.22 \) volt. \( \mathrm{Ag}(\mathrm{s})|\mathrm{AgCl}(\math...

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The EMF of the following cell is \( 0.22 \) volt. \( \mathrm{Ag}(\mathrm{s})|\mathrm{AgCl}(\mathrm{s})| \mathrm{KCl}(1 \mathrm{M})\left|\mathrm{H}^{+}(1 \mathrm{M})\right| \mathrm{H}_{2}(\mathrm{~g}) \) (1atm) ; \( \mathrm{Pt}(\mathrm{s}) \).
\( \mathrm{P} \) Which of the following will decrease the EMF of cell.

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(A) increasing pressure of \( \mathrm{H}_{2}(\mathrm{~g}) \) from 1 atm to \( 2 \mathrm{~atm} \)
(B) increasing \( \mathrm{Cl}^{-} \)concentration in Anodic compartment
-(C) increasing \( \mathrm{H}^{+} \)concentration in cathodic compartment
(D) decreasing \( \mathrm{KCl} \) concentration in Anodic compartment.
(1) A, B, C
(2) A, D
(3) B, C
(4) C, D
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