JEE Main 2022 · 27 Jul · Shift 2 · Chemistry Q64

ChemistrySingle correct+4 / -1Question 64 of 90

Given below are two statements :

Statement I : For KI, molar conductivity increases steeply with dilution

Statement II : For carbonic acid, molar conductivity increases slowly with dilution

In the light of the above statements, choose the correct answer from the options given below :

Both Statement I and Statement II are true

Both Statement I and Statement II are false

Statement I is true but Statement II is false

Statement I is false but Statement II is true

Answer and worked solution

Official answer: B

KI is a strong electrolyte: $\Lambda_m$ rises only slowly with dilution.

Carbonic acid is weak: $\Lambda_m$ rises steeply.

Both statements are false. (B)

JEE Main 2022 · 27 Jul · Shift 2, Chemistry question 64