Molar and equivalent conductivity, variation with concentration

8 questions on Molar and equivalent conductivity, variation with concentration from the Electrochemistry chapter: 2 NEET level, 2 JEE Main, 4 JEE Advanced. Each one opens with its answer and solution.

• The conductivity of a 0.020 M solution of an electrolyte is 3.6x 10^-3 S cm^-1. Its molar conductivity in S cm^2 mol^-1 is NEET level
• For an aqueous solution of Al2(SO4)3, the equivalent conductivity Lambda_eq is related to the molar conductivity Lambda_m by NEET level
• A conductivity cell of cell constant 0.186 cm^-1 is filled with a 0.0125 M solution of an electrolyte and shows a resistance of 100 Omega. The molar conductivit... JEE Main level
• For a strong electrolyte the molar conductivity follows Lambda_m = Lambda deg_m - Asqrtc with Lambda deg_m = 150.0 S cm^2 mol^-1 and A = 90.0 S cm^2 mol^-1 (mol... JEE Main level
• Regarding the variation of molar conductivity Lambda_m and conductivity kappa with concentration, the correct statement(s) is/are JEE Advanced level
• The molar conductivity of a strong electrolyte is 135.5 S cm^2 mol^-1 at c = 0.0025 M and 126.5 S cm^2 mol^-1 at c = 0.0225 M. Assuming the relation Lambda_m = ... JEE Advanced level
• 5.55 g of CaCl2 (molar mass 111 g mol^-1) is dissolved in water to make 1.00 L of solution. The conductivity of this solution is 1.02x 10^-2 S cm^-1. The equiva... JEE Advanced level
• A 0.020 M solution of a strong electrolyte has conductivity 3.6x 10^-3 S cm^-1. When it is diluted ten-fold to 0.0020 M, its molar conductivity is found to be 1... JEE Advanced level