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Chemical Kinetics Test - 9

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Chemical Kinetics Test - 9
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  • Question 1
    4 / -1
    Unit of frequency factor (A) is
  • Question 2
    4 / -1
    In the synthesis of ammonia by Haber process, if 60 moles of ammonia is obtained in one hour, then the rate of disappearance of nitrogen is
    Solution

  • Question 3
    4 / -1
    The conversion of A to B follows second order kinetics, doubling the concentration of A will increase the rate of formation of B by a factor of
    Solution

  • Question 4
    4 / -1
    75% of a first order reaction is completed in 30 min. What is the time required for 93.75% completion of the reaction (in minutes) ?
    Solution

  • Question 5
    4 / -1
    Decay of 92U235 is ..... order reaction
  • Question 6
    4 / -1
    The half-life of two samples are 0.1 and 0.4 seconds. Their respective concentration are 200 and 50 respectively. What is the order of reaction?
    Solution

  • Question 7
    4 / -1
    If a plot of log10 C versus t gives a straight line for a given reaction, then the reaction is
    Solution

  • Question 8
    4 / -1
    After how many seconds will the concentration of the reactant in a first order reaction be halved if the rate constant is 1.155 × 10-3 s-1 ?
    Solution

  • Question 9
    4 / -1
    The half-life period of a first order reaction is 69.3 s. What is the rate constant ?
    Solution

  • Question 10
    4 / -1
    Consider a reaction; aG + bH → products
    When concentration of both the reactants G and H is doubled, the rate increases by eight times. However, when concentration of G is doubled keeping the concentration of H fixed, the rate is doubled. The overall order of the reaction is,
    Solution

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