1.

Which of the followingreaction cannot be a base forelectrochemical cell

Answer»

`H_(2)+O_(2)rarrH_(2)O`
`AgNO_(3)+ZnrarrZn(NO_(3)_(2)+Ag`
`AgNO_(3)+NacIrarrAgCI+NaNO_(2)`
`KMnO_(4)+FeSIO_(4)+H_(2)SO_(4)rarrK_(2)SO_(4)+Fe_(2)(SO_(45)_(3)+MnSO_(4)+H_(2)O`

Solution :Electrochemical cell are based upon the reaction between variouselectrolytes the reactiongiven in optiondoesnot INVOLVE electroltes so it cannot be a base for electrochemical cell


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