The gas-phase decomposition of CH3I, 2 CH3I rightarrow C2H6(g) + I2(g), is studi

Question

The gas-phase decomposition of CH3I, 2 CH3I rightarrow C2H6(g) + I2(g), is studied at a certain temperature, giving the following data: Figure out whether this reaction is first-order or second-order with respect to the concentration of CH3I. Calculate the value of the rate constant. Pick the choice from below which gives the correct reaction order and value of the rate constant for this reaction. ) This reaction is first-order with the rate constant k = 5.10e-05 s-1. This reaction is first-order with the rate constant k = 1.28e-04 s-1. This reaction is first-order with the rate constant k = 1.02e-03 s-1. This reaction is first-order with the rate constant k = 1.53e-03 s-1. This reaction is first-order with the rate constant k = 2.55e-04 s-1.

Explanation / Answer

b

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