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Chemical Kinetics and Nuclear Chemistry · 2004 · Shift 0

4 Chemistry questions from this JEE Main paper
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Chemical Kinetics and Nuclear Chemistry · 2004 · Shift 0

4 Chemistry questions from this JEE Main paper

  1. Q29.Consider the following nuclear reactions 92238​M→YX​N+224​HeYX​N→BA​L+2β+ The number of neutrons in the element L is
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  2. Q41.In a first order reaction, the concentration of the reactant decreases from 0.8 M to 0.4 M in 15 minutes. The time taken for the concentration to change from 0.1 M to 0.025 M is
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  3. Q42.The rate equation for the reaction 2A + B → C is found to be: rate k[A][B]. The correct statement in relation to this reaction is that the
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  4. Q43.The half – life of a radioisotope is four hours. If the initial mass of the isotope was 200 g, the mass remaining after 24 hours undecayed is
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ