Assertion : For a first order reaction,`t_(1//2)` is indepent of rate constant. Reason : For a first reaction `t_(1//2) prop [R]_(0)`.

Question

Assertion : For a first order reaction,`t_(1//2)` is indepent of rate constant. Reason : For a first reaction `t_(1//2) prop [R]_(0)`.

Assertion : For a first order reaction,`t_(1//2)` is indepent of rate constant.
Reason : For a first reaction `t_(1//2) prop [R]_(0)`.
A. If both assertion and reason are true and reason is the correct explanation of assertion.
B. If both assertion and reason are true but reason is not the correct explanation of assertion.
C. If assertion is true but reason is false.
D. If both assertion and reason are false.

Monjur Alahi

4 views

2025-01-04 04:42

1 Answers

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Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
for a first order reaction half-life period is constant i.e., it is independent of initial concentration of the reacting species. It is related to rate constant as `t_(1//2) = (0.693)/(k)`

4 views Answered 2023-02-05 15:29