Q.

If the e.m.f of a galvanic cell is negative, it implies that :

Moderate

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By Expert Faculty of Sri Chaitanya

the cell reaction is spontaneous

the cell reaction is non-spontaneous

the cell reaction is exothermic

the cell is working in reverse direction

answer is 2,4.

(Detailed Solution Below)

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Detailed Solution

emf of galvanic cell becomes – x volts when it is connected to external battery with high voltage

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