4.1     From the rate expression for the following reactions, determine their order of reaction and the dimensions of the rate constants.

             CH_{3}CHO(g)\rightarrow CH_{4}(g)+CO(g)\: \: Rate=k\left [ CH_{3} CHO\right ]^{3/2}

Answers (1)
M manish

Given Rate = k[CH_{3}CHO]^{3/2}

therefore the order of the reaction is 3/2

and the dimension of k =Rate/[CH_{3}CHO]^{3/2}

                                     \\=molL^{-1}s^{-1}/(molL^{-1})^{3/2}\\ =molL^{-1}s^{-1}/mol^{3/2}L^{-3/2}\\ =L^{1/2}\ mol^{-1/2}\ s^{-1}

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