Potash solution is not recommended in a hydrocarbon-oxygen fuel cell. – InterviewSolution

1.	Potash solution is not recommended in a hydrocarbon-oxygen fuel cell. Why?
Answer» Solution :The combustion products of a HYDROCARBON are `CO_(2)` and `H_(2)O.CO_(2)` is a non-metallic oxide and acidic. It is ABSORBED in the electrolyte if KOH is used. To avoid this, phosphoric acid is used as electrolyte in hydrocarbon-oxygen fuel cell.

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