Class 12 · Chemistry
Chemical Kinetics
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ChemistryPlate 97
NeetVellum atlas · fig. chemistry
97
Question preview
Three examples from the live 200-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
For the reaction N₂(g) + 3H₂(g) → 2NH₃(g), hydrogen gas is consumed at a rate of 6.0 × 10⁻³ mol L⁻¹ s⁻¹. The rate of formation of ammonia is:
- A. 6.0 × 10⁻³ mol L⁻¹ s⁻¹
- B. 9.0 × 10⁻³ mol L⁻¹ s⁻¹
- C. 4.0 × 10⁻³ mol L⁻¹ s⁻¹
- D. 3.0 × 10⁻³ mol L⁻¹ s⁻¹
Example 2 · difficulty 1/5
The units of the rate constant for a zero-order reaction are:
- A. mol L⁻¹ s⁻¹
- B. s⁻¹
- C. L mol⁻¹ s⁻¹
- D. L² mol⁻² s⁻¹
Example 3 · difficulty 2/5
A first-order reaction has a half-life of 30 minutes. The time required for 75% completion of the reaction is:
- A. 30 min
- B. 60 min
- C. 90 min
- D. 120 min
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Chemical Kinetics NEET questions are available?
NeetVellum publishes 200 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Chemical Kinetics for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.