Which of the following hot aqueous solutions | vedclass

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(B) $1$. In an $H_2 - O_2$ fuel cell, carbon rods are used as electrodes.$2$. These carbon rods are impregnated with finely divided platinum or pallad

Vedclass · Accepted Answer

$KOH$

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(B) $1$. In an $H_2 - O_2$ fuel cell, carbon rods are used as electrodes.$2$. These carbon rods are impregnated with finely divided platinum or palladium catalyst to increase the rate of reaction.$3$. $A$ hot concentrated aqueous solution of $KOH$ (potassium hydroxide) is used as the electrolyte in this fuel cell.$4$. The electrolyte facilitates the movement of ions between the electrodes.

Which of the following hot aqueous solutions is used to dip carbon rods of $H_2 - O_2$ fuel cell?

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