Question

Given below are two statements : 

Statement I : The limiting molar conductivity of KCl (strong electrolyte) is higher compared to that of CH₃COOH (weak electrolyte). 

Statement II : Molar conductivity decreases with decrease in concentration of electrolyte. In the light of the above statements, choose the most appropriate answer from the options given below : 

(1) Statement I is true but Statement II is false. 

(2) Statement I is false but Statement II is true. 

(3) Both Statement I and Statement II are true. 

(4) Both Statement I and Statement II are false.

Answer 1

Answer is (4) Both Statement I and Statement II are false.

= 73.5 + 76.3 

= 149.3 Scm² /mole 

So statement-I is wrong or False. 

As the concentration decreases, the dilution increases which increases the degree of dissociation, thus increasing the no. of ions, which increases the molar conductance. So statement-II is false.