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Why are substance such as platinum and p...

Why are substance such as platinum and palladium often used for carrying out electrolysis of aqueous solutions?

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Substances such as platinum and palladium are often used for carrying out electrolysis of aqueous solutions due to the following reasons`:`
`a.` Chemical inertness `:` Platinum and palladium are chemically inert.
`b.` Adsoptive capacity `:` Platinum and palladium have good absorptive capacity for hydrogen. The adsorbed hydrogen is very active and hence platinum and palladium be pronounced catalytic activity.
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