Question

A first order reaction which is 30% complete in 30 min has a half life period of

Answer 1

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\[k=\frac{2.303}{t}\log \frac{a}{a-x}\]                    \[\frac{0.693}{T}=\frac{2.303}{t}\log \frac{100}{100-30}\]                                 \[\therefore \,\,T=58.2\]min.

ANSWER IS 58.2 MIN.


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