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At 518°C, the rate of decomposition of sample of gaseous acetaldehyde, initially at a pressure of 363 Torr, was 1.00 Torr s –1 when 5% had reacted and 0.5 Torr s –1 when 33% had reacted. The order of the reaction is -

1. 2
2. 3
3. 1
4. 0 Students may find similar question in CP exercise sheet : [ JEE Main, Chapter : Chemical Kinetics, Page 15, Example No. 8 ]

Correct answer: 2

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