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If compound A reacts with B following first order kinetics with rate constant . The time taken by (in seconds) to reduce from to will be ___________. (Nearest Integer)
For the reaction P B, the values of frequency factor A and activation energy EA are 4 1013 s1 and 8.3 kJ mol s K.
The equation
k = (6.5 1012s1)e26000K/T
is followed for the decomposition of compound A. The activation energy for the reaction is ________ kJ mol. [nearest integer]
For a reaction the half lives are and when the concentration of reactant is and respectively. The order of the reaction is ______________ . (Nearest Integer)
for a reaction, of is decomposed in 120 minutes. The time taken for decomposition of is _________ minutes.
Consider the following reaction, the rate expression of which is given below
Consider the two different first order reactions given below
Copyright © 2026 Divine JEE. All Rights Reserved.
(Given : ln 10 = 2.3, R = 8.3 J K1 mol1, log2 = 0.30)
(Given : R = 8.314 J K1 mol1)
| Run | |||
|---|---|---|---|
| 1 | 0.10 | 0.10 | 0.18 |
| 2 | 0.10 | 0.20 | 0.35 |
| 3 | 0.20 | 0.20 | 1.40 |
If formation of compound follows the first order of kinetics and after 70 minutes the concentration of was found to be half of its initial concentration. Then the rate constant of the reaction is . The value of is ______________. (Nearest Integer)
The reaction is initiated by taking concentration of and each. If the rate constant is , then the time taken for to become is _________ sec. (nearest integer)
The ratio of the half life of Reaction 1 : Reaction 2 is If and represent the time taken to complete and of Reaction 1 and Reaction 2 , respectively, then the value of the ratio is _________ (nearest integer). [Given : and ]