NEET Chemistry Chemical Kinetics Questions Solved


The half-life period of a first order chemical reaction is 6.93 minutes. The time required for the completion of 99% of the chemical reaction will be (log 2 = 0.301):

(a) 23.03 minutes

(b) 46.06 minutes

(c) 460.6 minutes

(d) 230.3 minutes

(b) t= (2.303x6.93/0.693)log(100/1)(N0 = 100; N = 100-99 =1)

     t = 46.06 minute

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