Equivalent, Molar Conductivity and Cell Constant
Trending Questions
Q. Molar conductivity of 0.01 M CH3COOH at certain temperature is 38.93 S cm2 mol−1. What is its pH?
[λ0H+=349.6 S cm2, λ0CH2COO=78.1 S cm2 mol−1 and log 9=0.96]
(Round off to the nearest integer)
[λ0H+=349.6 S cm2, λ0CH2COO=78.1 S cm2 mol−1 and log 9=0.96]
(Round off to the nearest integer)
Q. The resistance of 0.01 N solution of an electrolyte is 210 Ω at 298 K with a cell constant of 0.88 cm−1. Calculate the conductivity and equivalent conductivity of the solution.
- 7.19×10−3ohm−1 cm−1, 719.05 S cm2 eq−1
- 4.19×10−3ohm−1 cm−1, 419.05 S cm2 eq−1
- 5.19×10−3ohm−1 cm−1, 519.05 S cm2 eq−1
- 6.19×10−3ohm−1 cm−1, 619.05 S cm2 eq−1
Q. The electrical resistance of a column of 0.05 M NaOH solution of diameter 1 cm and length 50 cm is 5.55×103 ohm. Calculate its resistivity, conductivity, and molar conductivity.
- 87.135×10−2ohm m, 1.148 Sm−1, 229.6×10−4S m2 mol−1
- 67.135×10−2ohm m, 1.489 Sm−1, 229.6×10−4S m2 mol−1
- 87.135×10−2ohm m, 1.296 Sm−1, 229.6×10−4S m2 mol−1
- 77.135×10−2ohm m, 1.148 Sm−1, 229.6×10−4S m2 mol−1
Q.
Conductivity (unit Siemens) is directly proportional to area of the vessel and the concentration of the solution in it and is inversely proportional to the length of the vessel then the unit of the constant of proportionality is
[AIEEE 2002]