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Show that in case of first order reaction the time taken for 99.9% of the reaction to take place is ten times that required for 50% of the reaction

Show that in case of first order reaction the time taken for 99.9% of the
reaction to take place is ten times that required for 50% of the reaction

Grade:9

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
8 years ago
we know that for first order reaction
t=(2.303*t1/2*logN0/N).693
t=3.3 log100/.1
t=9.9=10
thus in first order reactionthe time taken for 99.9% of the reaction to take place is ten times that required for 50% of the reaction

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