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What is activated complex?...

What is activated complex?

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Is is in unstable complex formed between the reacting species at the energy barrier.
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Knowledge Check

  • Statement: According transition state theory for the formation of an activated complex, one of the vibrational degree of freedom is converted into a transitional degree of freedom. Explanation: Energy of the the activated complex is higher than the energy of reactant molecules.

    A
    (a) `S` is correct but `E` is wrong
    B
    (b) `S` is wrong but `E` is correct
    C
    (c ) Both `S` and `E` are correct and `E` is correct explanation of `S`
    D
    (d) Both `S` and `E` are correct but `E` is not correct explanation of `S`.

  • A : The molecularity of reaction can never be fractional. R : Molecularity is the number of molecules needed to form activated complex, which will never be fractional.

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion , then mark (1).
    B
    If both Assertion & Reason are true but the reason is not the correct explanation of the assertion , then mark (2).
    C
    If Assertion is true statement but Reason is false, then mark (3).
    D
    If both Assertion and Reason are false statements , then mark (4)

  • During decomposition of an activated complex

    A
    energy is always released
    B
    energy is always absorbed
    C
    energy does not change
    D
    reactants may be formed

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