1.Why electrons flow from zinc to platinum electrode? 2.What is EMF?

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Assertion: In a Daniell cell, electrons flow from zinc electrode to copper electrode outside the cell.

Reason: In Daniell cell, Zn electrode is anode and Cu is cathode.

With respect to a voltaic cell using copper and zinc rods as electrodes and dilute $H_{2} {S O}_{4}$ as an electrolyte, the current flows from zinc to copper outside the cell and copper to zinc inside the cell.

The electrode at which electrons flow into the electrolyte is:

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