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Question -

Calculate the half-life of afirst order reaction from their rate constants given below:

(i)┬а200┬аsтИТ1┬а(ii)┬а2┬аminтИТ1┬а(iii)┬а4┬аyearsтИТ1



Answer -

(i)┬аHalf life,

=3.47┬а├Ч├Ч10┬а-3┬аs(approximately)

(ii)┬аHalflife,

= 0.35 min (approximately)

(iii)┬аHalf life,

= 0.173 years (approximately)

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