CBSE Class 12 Chemistry — Chemical Kinetics
All previous year questions from Chapter: Chemical Kinetics
4 questions found
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2026(4 questions)
- 1
Which of the following curve represents the first order reaction?
1 mark· A· Half-life of first order reactions - 4
Which of the following represents the fraction of molecules with energies equal to or greater than Eₐ?
1 mark· A· Arrhenius equation and activation energy - 21
Following reaction takes place in one step: 2A + B → 2C How will the rate of above reaction change if the volume of the reaction vessel is decreased to one third of its original volume? Will there be any change in the order of reaction with the reduced volume?
2 marks· B· Effect of concentration/volume on rate and order of reaction - 22
For the first order thermal decomposition reaction, following data was obtained: C₂H₅Cl(g) → C₂H₄(g) + HCl(g) | S. No. | Time(s) | Total Pressure (atm) | | 1 | 0 | 0.30 | | 2 | 30 | 0.50 | Calculate rate constant. [Given: ]
3 marks· C· First-order rate constant from pressure data