? Section A - Questions of 1 mark VSA of difficulty level
Q. 1) 'Molar conductance of weak electrolyte increases with dilution'. Give reason.
Q. 2) Specific conductance of 0.01M AB solution is 0.015 ??-1 cm-1. The resistance of a
cell containing the solution was 60 ? calculate cell constant.
Q. 3) Name the anode and cathode used in Nickel- Cadmium cell
Q. 4) How is standard electrode potential of Cu2+ / Cu(S) determined experimentally?
Q. 5) When cell reaction attains an equilibrium, What will be the EMF of a cell?
Q. 6) How many moles of Cu is deposited on the cathode by the passage of 965 C of
charge ?
Q. 7) Write IUPAC notation for Daniel cell.
Q. 8) Write cell representation for cell reaction.
Q. 9) How many coulomb of charge is required for deposition of 2/3 mole of Al in elec-
trolysis of molten Al2O3
?
Q. 10) Write electrode reaction for following electrode
Ag AgCl (s), (s)
Q. 11) Following reaction occur at cathode during electrolysis of aqueous solution of AgNO3
Ag + e Ag E = + 0.80 V + - 0
(aq) (s)
H
+
(a ) q + e - H2
(q)
E 0 = + 0.002 V 1
2
On the basis of their SRP values, which reaction is possible at cathode and why?
Q. 12) What will be the volume of H2
liberated, when 1 Faraday of electricity is passed
through 1 M HCl solution at N.T.P. ?
Q. 13 Write the reaction at anode during rusting.

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