The two half cell reactions of an electr...

The two half cell reactions of an electrochemical cell is given as

the value of cell EMF will be

`-0.3125 V`

`0.3125 V`

`1.114 V`

`-1.114V`

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The correct Answer is:

As per the reduction potential values ,Ag will act as cathode and Fe will act as anode
Cell reactions will be

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A half cell reaction is one that

Involves only half a mole of electrolyte

Gose only half way to completion

Takes place at one electrode

Consumes half a unit of electricity

takes place at one electrode

consumes half a unit of electricity

goes only half way to completion

involves only a half mole of electrolyte

electrical energy to chemical energy

chemical energy to chemical energy

both (1) and (2)

chemical energy to mechanical energy