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The following mechanism has been propose...

The following mechanism has been proposed for the exothermic catalyzed cmplex reaction:
`A + B overset("Fast")rarr IABoverset(k_(1))rarrAB+Ioverset(k_(2))rarrP+A`
If `k_(1)` is much smaller than `k_(2)`, the most suitable qualitative plot of potential energy `(PE)` versus reaction coordinates for the above reaction is

A

B

C

D

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A
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Mechanism of the reaction is: A overset(k_(1))rarrB, 2Aoverset(k_(2))rarr C + D What is (-d[A])/(dt) ?

Conisder a mechanism in which a single reactant profuces several Products by the following parallel first order reactions : A overset(k_(1))rarrB, A overset(k_(2))rarrC A overset(k_(3))rarrD Write the rate expresison for [A] .

Knowledge Check

  • A consecutive reaction, A overset(K_(1))(rarr)B overset(K_(2))(rarr)C is characterised by:

    A
    Maximum in the concentration of `A`
    B
    Maximum in the concentration of `B`
    C
    Maximum in the concentration of `C`
    D
    Highly exothermicity

  • In the sequence of reaction, L overset(k_(1))rarr M overset(k_(2))rarr N overset(k_(3))rarrO k_(3) gt k_(2) gt k_(1) The rate determining step of the reaction is :

    A
    `L rarr M`
    B
    `M rarr N`
    C
    `N rarr O`
    D
    `L rarr O`

  • The overall rate (d[P])/(dt) , for the reaction 2A overset(K)hArr B,B+Coverset(k_f)rarrP is given by

    A
    `Kk_f[A]^2[C]`
    B
    `K[A][B]`
    C
    `k_f[B][C]`
    D
    `Kk_f[A]^2[B][C]`

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