A first order decomposition reaction takes `40` minutes for `30%` decomposition. Calculate its `t_(1/2)` value.

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Q 1185391267.     A first order decomposition reaction takes `40` minutes for `30%` decomposition. Calculate its `t_(1/2)` value.
A

`77.9` min

B

`80` min

C

`75.6` min

D

`73` min

HINT

Use `t_(1/2)=0.693/k`

Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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