Class 12 · ICSE · Chemistry

Chemical Kinetics

Rate of reaction, order and molecularity, integrated rate equations, half-life, and the Arrhenius equation.

Questions

6 questions in this chapter.

Answer available
Class 12 · Chemistry · Chemical Kinetics
For a first-order reaction, 50% of the reactant is used up in 10 minutes. What fraction remains after 30 minutes?
3 marksMediumNumerical
Answer available
Class 12 · Chemistry · Chemical Kinetics
The half-life of a first-order reaction is 20 minutes. Calculate its rate constant.
3 marksMediumNumerical
Answer available
Class 12 · Chemistry · Chemical Kinetics
What is a zero-order reaction? Give one example and state the unit of its rate constant.
3 marksMediumShort answer
Answer available
Class 12 · Chemistry · Chemical Kinetics
Explain the terms activation energy and activated complex.
3 marksMediumShort answer
Answer available
Class 12 · Chemistry · Chemical Kinetics
State the Arrhenius equation and explain why the rate of a reaction rises steeply with temperature.
3 marksMediumShort answer
Answer available
Class 12 · Chemistry · Chemical Kinetics
Distinguish between the order and the molecularity of a reaction.
3 marksMediumShort answer