Which of the following is NOT a difficulty in | vedclass

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(D) In a Standard Hydrogen Electrode $(SHE)$,a platinum plate coated with platinum black is used as the electrode. Platinum black is highly effective

Vedclass · Accepted Answer

To bring the reaction in reverse direction

Vedclass · Answer

(D) In a Standard Hydrogen Electrode $(SHE)$,a platinum plate coated with platinum black is used as the electrode. Platinum black is highly effective at adsorbing large quantities of $H_2$ gas. This property facilitates the reversible conversion between gaseous $H_2$ and aqueous $H^+$ ions,meaning the reaction can easily proceed in both directions. Therefore,bringing the reaction in the reverse direction is not a difficulty.

Electrolyte	$\Lambda_{m}^{o} \, (S \, cm^{2} \, mol^{-1})$
$NaCl$	$126.5$
$NaBr$	$128.2$
$KCl$	$149.5$

Which of the following is $NOT$ a difficulty in setting up a Standard Hydrogen Electrode $(SHE)$?

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Electrolyte $\Lambda_{m}^{o} \, (S \, cm^{2} \, mol^{-1})$

$NaCl$ $126.5$

$NaBr$ $128.2$

$KCl$ $149.5$

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