Relationship Between Kc and Kp
Understand the mathematical relationship between Kc and Kp, including the role of Δn (change in moles of gas) and how to convert between them.
Why this shows up in the exam
You may be asked to convert between Kc and Kp or interpret their values for different reactions.
How NEET tests this
Practise it
These are real questions from past NEET papers that test this exact idea.
Given below are certain reactions. Identify the reaction for which Kp ≠ Kc.
Push further
More challenging4 harder questions built from the past papers above — a step up in difficulty, with distractors designed so you can't get there by elimination. Written and checked by our reviewers, not from a real paper.
For which of the following reactions is Kp = Kc?
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Law of Mass Action and Equilibrium Constant
Learn how to write equilibrium constant expressions (Kc, Kp) for chemical reactions, including the treatment of pure solids and liquids and the use of correct stoichiometric coefficients.
Le Chatelier's Principle
Apply Le Chatelier's Principle to predict the effect of changes in concentration, pressure, and temperature on the position of equilibrium in chemical and phase equilibria.
Weak Acid and Base Equilibria
Analyze the equilibrium of weak acids and bases, calculate their dissociation constants (Ka, Kb), degree of dissociation, and related pH values.