Question

reply fast with all correct and i will mark you as brainiest

1. The difference between the electrode potentials of two electrodes when no current is drawn
through the cell is called
(i) Cell potential
(ii) Cell emf
(iii) Potential difference
(iv) Cell voltage
2. Which of the following statement is not correct about an insert electrode in a cell?
(i) It does not participate in the cell reaction.
(ii) It provides surface either for oxidation or for reduction reaction.
(iii) It provides surface for conduction of electrons
(iv) It provides surface for redox reaction.
3. An electrochemical cell can behave like an electrolytic cell when
(1) Ecell = 0
(ii) Cell > Eext
(if) Next > Cell
(iv) Ecell = Eext
4. The quantity of charge required to obtain one mole of aluminium from Al2O3 is
(c) (i) 1F (ii) 6F (iii) 3F (iv) 2F

5. The cell constant of a conductivity cell
(i) changes with change of electrolyte.
(ii) changes with change of concentration of electrolyte.
(iii) changes with temperature of electrolyte.
(iv) remains constant for a cell.

6. While charging the lead storage battery
(i) PbSO, anode is reduced to Pb.
(ii) PbSO, cathode is reduced to Pb.
(iii) PbSO4 cathode is oxidised to Pb.
(iv) PbSO, anode is oxidised to PbO2.

7. The positive value of the standard electrode potential of Cu"/Cu indicates that
this redox couple is a stronger reducing agent than the H*/H, couple.
(ii) this redox couple is a stronger oxidising agent than H*/H2.
(iii) Cu can displace Hz from acid.
(iv) Cu cannot displace H, from acid.



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Answer 1

the answer is in the order 2,3,4,3,3,1,2

Answer 2

Answer:

The answer is written by me in the picture attached..I hope it helps

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