At 518°C, the rate of decomposition of a sample

Question:

At $518^{\circ} \mathrm{C}$, the rate of decomposition of a sample of gaseous acetaldehyde, initially at a pressure of 363 Torr, was $1.00$ Torr $\mathrm{s}^{-1}$ when $5 \%$ had reacted and $0.5$ Torr $^{-1}$ when $33 \%$ had reacted. The order of the reaction is :

  1. 3

  2. 1

  3. 0

  4. 2


Correct Option: , 4

Solution:

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