Conductance

7 questions on Conductance from the Electrochemistry chapter: 0 NEET level, 5 JEE Main, 2 JEE Advanced. Each one opens with its answer and solution.

• A conductivity cell filled with 0.1 M KCl (kappa = 1.29 S m^-1) shows a resistance of 100 Omega. Filled with 0.02 M acetic acid it shows 6450 Omega. Given Lambd... JEE Advanced level
• The correct order of limiting molar ionic conductivities in water at 298 K is JEE Main level
• The limiting molar conductivity Lambda deg_m can be obtained by extrapolating a plot of Lambda_m against sqrtc to c = 0 for JEE Main level
• A conductivity cell has electrodes of area 1.5 cm^2 placed 0.6 cm apart. A 0.05 M NaCl solution in this cell has a resistance of 80 Omega. The molar conductivit... JEE Main level
• Given Lambda deg_m (in S cm^2 mol^-1): BaCl2 = 280, NaCl = 126.5, Na2SO4 = 260. The limiting molar conductivity of BaSO4 is JEE Main level
• The conductivity of a saturated BaSO4 solution, after subtracting that of water, is 2.87x 10^-6 S cm^-1. Taking Lambda deg_m(BaSO4) = 287 S cm^2 mol^-1, the sol... JEE Advanced level
• On diluting a solution of a weak electrolyte, which of the following is correct? JEE Main level