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51. What is the effect of temperature on the metallic conductance?

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52. For the cell:
Sn(s) + Sn²⁺ (aq) || H⁺ (aq) | H₂(g) || Pt.
Write the electrode reactions.

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53. To deposit 1 mole of aluminium from an aqueous solution of A1₂(SO₄)₃. What is the amount of electricity (in coulombs) required?

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54. Express mathematically the relationship among the resistance (R), specific conductivity and cell constant.

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55. What is cell constant? What are its units?

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56. What is the effect of dilution on equivalent conductance of solution?

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57. Name any two metals. Which can be used for cathodic protection of iron?

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58. Which equation give the relationship between equivalent or molar conductance and concentration of a strong electrolytes?

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Answer:

E_{cell} = E °_{cell} - \frac{0.0591}{n} logK .

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60. What are the units of specific conductance?

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