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Question

Electromotive force (EMF) of a cell is


Your Answer
A
potential required to oxidize one mole of ions.
Your Answer
B
Potential difference between electrode and electrolyte in a cell.
Correct Answer
C
difference between the reduction potential of cathode and anode.

Solution

The correct option is A difference between the reduction potential of cathode and anode.
Theelectromotive force (EMF)is the maximum potential difference between two electrodes of a galvanic or voltaic cell. This quantity is related to the tendency for an element, a compound or an ion to acquire (i.e. gain) or release (loss) electrons. Despite its name, electromotive force is not actually aforce. It is commonly measured in units ofvolts
Lds :
1. EMF
2. Reduction potential and oxidation potential
3. Electrode potential

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