1.

An electrochemical cell is set up as follows : Pt (H_(2), atm ) | 0.1 M HCl |0.1 M acetic acid | (H_(2) , 1 atm ) Pt EMF of this cell will not be zero because

Answer»

the temperature is constant
the pH of 0.1 M HCl and 0.1 M acetic ACID is not the same
acids used in the two COMPARTMENTS are different
EMF of a CELL depends on molarities of the acids used.

Solution :It is a concentration cell . EMF `ne 0` because 0.1 MHCl and 0.1 M `CH_(3)COOH` have different `[H^(+)]` , i.e., their pH are not equal .


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