1.

Identify the correct statement from the options given below for the galvanic cell :

Answer»

Cathode in a voltaic cell LOOSE weight during reaction
`Delta G` is positive for spontaneous cell reaction in voltaic cell
The voltaic cell is WORKING in REVERSE direction if the e.m.f of a cell is negative
The cell reaction is spontaneous in galvanic cell if `E_("cell")`is less than external potentialapplied in cell

Solution :This option is CORRECT statement if the emf. of a voltaic cell is negative, it means emf is positive for reverse reaction and reverse reaction is spontaneous, and cell is working in reverse direction.


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