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Elementary and complex reactions, order and molecularity

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NEET UG 2017 question paper (official, booklet B)

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  1. Mechanism of a hypothetical reaction \(X_2 + Y_2 \rightarrow 2XY\) is given below :

    (i) \(X_2 \rightarrow X + X\) (fast)

    (ii) \(X + Y_2 \rightleftharpoons XY + Y\) (slow)

    (iii) \(X + Y \rightarrow XY\) (fast)

    The overall order of the reaction will be :

    4 marks · See worked answer →