Self Studies

Chemical Kineti...

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  • Question 1
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    Which of the following statement is true for order of a reaction?

  • Question 2
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    For the first order reaction, half life is equal to

  • Question 3
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    Straight line graph for first order reaction is obtained between

  • Question 4
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    The effect of temperature on reaction rate is given by

  • Question 5
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    The chemical reaction in which reactants require high amount of activation energy are generally

  • Question 6
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    The minimum amount of energy required by the reacting molecules at the time of collisions in order to produce effective collisions is called

  • Question 7
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    The expression which relates the rate of reaction to the concentration of the reactants are called?

  • Question 8
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    The constant k used in rate equation is known as

  • Question 9
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    The radioactive isotope used in determining the age of organic substances is

  • Question 10
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    The substance that slows down the reaction without being consumed is known as

  • Question 11
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    Which among the following statement is not true for catalyst?

  • Question 12
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    A first order reaction is 50% completed in 1.26 × 1014 s. How much time would it take for 100% completion?

  • Question 13
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    Collision theory is applicable to

  • Question 14
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    Rate of reaction does not remain constant throughout because

  • Question 15
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    The unit of rate constant for a first order reaction is

  • Question 16
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    Reaction which takes place in one step is known as

  • Question 17
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    Which among the following statement is not true for rate constant of a reaction?

  • Question 18
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    Which among the following is an example of pseudo first order reaction?

  • Question 19
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    Which among the following is an example of first order reaction?

  • Question 20
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    The rate law for the reaction   is given by rate = k[RCl]. The rate for this reaction

  • Question 21
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    For an endothermic reaction, the minimum value for the energy of activation in terms of will be

  • Question 22
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    Order of the photochemical reaction occurring between hydrogen and chlorine is

  • Question 23
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    The temperature coefficient of most of the reactions lies between

  • Question 24
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    Following mechanism has been proposed for a reaction

    The rate law expression for the reaction is

  • Question 25
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    The expression which gives 3/4th life of first order reaction is

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