Question

fractional order reactions?

Answer 1

In fractional order reactions, the order is a non-integer, which often indicates a chemical chain reaction or other complex reaction mechanism. For example, the pyrolysis of acetaldehyde (CH3CHO) into methane and carbon monoxide proceeds with an order of 1.5 with respect to acetaldehyde: r = k[CH3CHO]3/2.

Answer 2

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The Order of Reaction refers to the power dependence of the rate on the concentration of each reactant. ... For simple one-step reactions, the order and molecularity should have the same value. A classic example of fractional order is the simple enzyme scheme under steady-state conditions; E + S ↔ ES → E + P.