GOC-II_JEE-Main_31.01.24_(S1) - Competishun – Live JEE & NEET Courses and Exam Prep

JEE MAIN 2024

31.01.24_(S1)

Question

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: pK_a value of phenol is 10.0 while that of ethanol is 15.9 . Reason R: Ethanol is stronger acid than phenol. In the light of the above statements, choose the correct answer from the options given below:

Select the correct option:

A is true but R is false.

A is false but R is true.

Both A and R are true and R is the correct explanation of A.

Both A and R are true but R is NOT the correct explanation of A.

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Phenol is more acidic than ethanol because conjugate base of phenoxide is more stable than ethoxide.

Question Tags

JEE Main

Chemistry