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41. Predict the products of electrolysis of a dilute aqueous solution of sulphuric acid with inert electrodes.

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42. Write the electrode reaction taking place during the use of a dry cell.

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43. How is the unit of molar conductivity arrived at?

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44. Write an expression to relate molar conductivity of an electrolyte to its degree of dissociation?

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45. Why is it not possible to measure the voltage of an isolated reduction half reaction?

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46. Arrange the following metals in the order in which they displace each other?
Al, Cu, Fe, Mg, Zn

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47. What is the basis of obtaining electrical energy in fuel cell?

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48. Name a metal that can be used in the cathode protection of iron. Is it more active or less active than iron?

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49. What is the standard electrode potential of NHE?

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Answer:

When the cell reaction attains equilibrium the EMF of the cell Zero.

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