Chemistry (M.Phil./Ph.D.) 2015 Panjab University Entrance Exam With Answers

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24.

The rate of decomposition of certain compound in solution in first order. If the concentration of the compound is doubled, what happens to the reaction’s half-life?

A: It doubles
B: It decreases to 1/2 of the original volume.
C: It decreases to 1/4 of the original volume.
D: It remains the same.

The answer is: D

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