Ionic Equilibrium | JEE Main | pH − pKa Expression Question

JEE MAIN 2025

28-01-2025 SHIFT-1

Question

A weak acid HA has degree of dissociation x . Which option gives the correct expression of ${\rm{(pH}} - {\rm{p}}{{\rm{K}}_{\rm{a}}})$ ?

Select the correct option:

$\log \left( {\frac{x}{{1 - x}}} \right)$

$\log \left( {\frac{{1 - x}}{x}} \right)$

$0$

$\log (1 + 2x)$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

Question Tags

JEE Main

Chemistry

Easy

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