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Chemical Kinetics and Nuclear Chemistry · 2003 · Shift 0

5 Chemistry questions from this JEE Main paper
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Chemical Kinetics and Nuclear Chemistry · 2003 · Shift 0

5 Chemistry questions from this JEE Main paper

  1. Q38.The radionucleide 90234​Th undergoes two successive β-decays followed by one α-decay. The atomic number and the mass number respectively of the resulting radionucleide are
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  2. Q39.The half-life of a radioactive isotope is three hours. If the initial mass of the isotope were 256 g, the mass of it remaining undecayed after 18 hours would be
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  3. Q40.In respect of the equation k = Ae-Ea/RT in chemical kinetics, which one of the following statements is correct?
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  4. Q41.The rate law for a reaction between the substances A and B is given by Rate = k[A]n [B]m On doubling the concentration of A and halving the concentration of B, the ratio of the new rate to the earlier rate of the reaction will be as
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ
  5. Q42.For the reaction system: 2NO(g) + O2​(g) → 2NO2​(g) volume is suddenly reduce to half its value by increasing the pressure on it. If the reaction is of first order with respect to O2​ and second order with respect to NO, the…
    Chemistry · Chemical Kinetics and Nuclear Chemistry · MCQ