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Define order of a reaction....

Define order of a reaction.

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Knowledge Check

  • Consider the order of a reaction, choose the incorrect statements

    A
    Order of a reaction may be zero,integer or fractional
    B
    For an elementary process order of the reaction is never fractional
    C
    The order of an elementary step is always equal to its molecularity
    D
    For the chemical equation `N_2+3H_2rarr2NH_3` the order of reaction is 4

  • Assertion (A) : The order of a reaction can be zero or a fraction . Reason (R) : Order cannot be determined from the balanced equation.

    A
    (A) and (R) both are correct statements and (R) is correct explanation for (A).
    B
    (A) and (R) both are correct statements and (R) is not correct explanation for (A).
    C
    (A) is correct statement but (R) is wrong statement.
    D
    (A) is wrong statement but (R) is correct statement .

  • Assertion : The order of reaction may be defined as the sum of the powers to which the concentration terms are raised in order to determine the rate of reaction gives the total order of reaction. Reason : The number of molecules whose concentrations determine the rate of reaction at a given temperature is called order of reaction.

    A
    Both Assertion and Reason are true and the Reason is the correct explanation of the Assertion.
    B
    Both Assertion and Reason are true but the Reason is not the correct explanation of the Assertion.
    C
    Assertion is true but Reason is true
    D
    Both Assertion and Reason are false.

    • Similar Questions

    Explore conceptually related problems

    When the initial concentration of the reactant in a reaction id doubled, the half -life of the reaction becomes double . Determine the order of the reaction.

    For the reaction ArarrB , the initial reaction -rate gets halved when the initial concentration of A is doubled . Determine the order of the reaction.

    The units of rate constant and reaction -rate of a chemical reaction are the same. Determine the order of the reaction.

    If the concentration of a reactant A of a reaction is tripled, the rate of the reaction increases by 27 times. Determine the order of the reaction.

    Explain the following terms: Order of a reaction

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