Order of Reaction: Determination and Properties
Learn experimental methods to determine reaction order and understand its graphical and half-life dependencies.
Why this shows up in the exam
You will need to analyze data and graphs to determine reaction order and understand its implications for kinetics.
How NEET tests this
Practise it
These are real questions from past NEET papers that test this exact idea.
When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is
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.
Consider a reaction where the half-life is observed to be 20 minutes when the initial concentration is 0.1 M. If the initial concentration is changed to 0.2 M, the half-life becomes 10 minutes. What is the order of this reaction?
More from Chemical Kinetics
First Order Reactions
Master the integrated rate law, half-life, percent completion, and graphical analysis for first order reactions.
Arrhenius Equation and Activation Energy
Understand the Arrhenius equation, how temperature affects rate constants, and how to calculate and interpret activation energy graphically and mathematically.
Rate Law and Order of Reaction
Understand how to write the rate law, determine the order of a reaction, and interpret the effect of concentration changes on reaction rate.
Rate of Reaction and Stoichiometry
Learn how the rate of a chemical reaction is defined, measured, and related to the stoichiometric coefficients of reactants and products.
Zero Order Reactions
Study the characteristics, integrated rate law, and half-life of zero order reactions, including graphical and mathematical aspects.
Energy Profile Diagrams and Reaction Energetics
Interpret potential energy diagrams for exothermic and endothermic reactions, and relate activation energy to enthalpy changes.