Consider the two different first order reactions given below:

The ratio of the half life of Reaction 1 : Reaction 2 is . If and represent the time taken to complete rd and th of Reaction 1 and Re

Question

Consider the two different first order reactions given below:

The ratio of the half life of Reaction 1 : Reaction 2 is . If  and  represent the time taken to complete rd and th of Reaction 1 and Reaction 2, respectively, then the value of the ratio  is  (nearest integer).

[Given:  and ]

Canvas Classes · Accepted Answer

Let  and  for some .

(2/3 completion of Reaction 1, so 1/3 remains):

(4/5 completion of Reaction 2, so 1/5 remains):

Answer: 17

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