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The number of electrons delivered at the cathode, during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron =1.60×10-19 C)

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Important Questions on Electrochemistry

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In the electrochemical cell :ZnZnSO4(0.01M)CuSO4(1.0M)Cu, the emf of this Daniel cell is E1. When the concentration of ZnSO4 is changed to 1.0 M and that of CuSO4 changed to 0.01M, the emf changes to E2. From the followings, which one is the relationship between E1 and E2? Given, RTF=0.059.

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For an electrolytic solution having concentration 0.1 M and resistance is 1 . If distance between electrode is 100 cm and area is 1 cm2 then calculate λM in S cm2mol-1.
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Zinc can be coated on iron to produce galvanized iron, but the reverse is not possible. It is because
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Both Co3+ and Pt4+have a coordination number of six. Which of the following pairs of complexes will show approximately the same electrical conductance for their 0.001 M aqueous solutions?
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The highest electrical conductivity among the following aqueous solutions is of:
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If the resistance of a conductivity cell filled with a solution of an electrolyte of concentration 0.1 M is 100 Ω and the conductivity of this solution is 1.29 Sm-1. Resistance of the same cell filled with 0.2 M of the same solution is 520 Ω. Calculate the molar conductivity of 0.02 M solution of the electrolyte.
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Resistance of 0.2 M solution of an electrolytes is 50 Ω. The specific conductance of the solution is 1.3 Sm-1. If resistance of the 0.4 M solution of the same electrolyte is 260 Ω, its molar conductivity is 
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The equivalent conductance of NaCl at concentration C and at infinite dilution are λcand λ respectively. The correct relationship between λc and λ is given as (where, the constant B is positive)