Chemistry · JEE Main, NEET

Chemical Kinetics

4 practice questions with a worked solution for each. Tap an option to see instantly if you are right.

3MCQ1Numerical
Start with question 1
  1. 1For a first order reaction, the time required for 99.9%99.9\% completion is related to its half-life t1/2t_{1/2} by:JEE Main/MCQ/Medium
  2. 2A first order reaction has rate constant k=6.93×10−3 s−1k = 6.93 \times 10^{-3}\,\text{s}^{-1}. Its half life period t1/2t_{1/2} is (in s):JEE Main/Numerical/Medium
  3. 3The unit of rate constant for a zero order reaction is:NEET/MCQ/Medium
  4. 4A first order reaction is 50%50\% complete in 20 minutes20\,\text{minutes}. Time required for 75%75\% completion is:JEE Main/MCQ/Medium

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JEE Main 2025 Apr 2 Shift 1 question paper

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