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An electrochemical cell is shown below ...

An electrochemical cell is shown below `Pt, H_(2)(1 "atm")|HCl(0.1 M)|CH_(3)COOH(0.1 M)|H_(2)(1 "atm")`, The emf of the cell will not be zero, because

A

The pH of 0.1M HCl and 0.1M acetic acid is not the same

B

Acids used in the two compartments are different

C

E.M.F. of a cell depends on the molarities of acids used

D

The temperature is contain.

Text Solution

Verified by Experts

The correct Answer is:
A
`[H^(+)]` in two half cells are not the same since HCl and `CH_(3)COOH` dissociate t o different extent in water.
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