Q102 · CSIR NET Chemistry, June 2011
Paper: CSIR NET June 2011 · Subject: Physical Chemistry · Chapter: Chemical Kinetics · Topic: Rate Laws Order · Marks: 2 · Difficulty: Medium
The decomposition of gaseous acetaldehyde at T(K) follows second order kinetics. The half-life of this reaction is 400 s when the initial pressure is 250 Torr. What will be the rate constant (in $\mathrm{Torr^{-1}\,s^{-1}}$) and half-life (in s) respectively, if the initial pressure of the acetaldehyde is 200 Torr at the same temperature?
(a)$10^{5}$ and 500
(b)$10^{-5}$ and 400
(c)$10^{-4}$ and 400
(d)$10^{-5}$ and 500
Answer
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Explanation
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Study loop for Chemical Kinetics