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(i) What is an elementary reaction ? Give the differences between order and molecularity of a reaction. (ii) In a first order reaction A to products, 60% of the given sample of A decomposes in 40 min. what is the half life of the reaction ? |
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Answer» Solution :(i) Elementary REACTION: Each and every single step in a reaction mechanism is called an elementary reaction. DIFFERENCES between order and molecularity :  (ii) SOL. `k=(2.303)/(t)log""(a)/(a-x)` `k=(2.303)/(40" min")log""(100)/((100-60))iff k=(2.303)/(40)log((100)/(40))` `k=0.0575(0.3979)iff k=0.02287" min"^(-1)` `t_((1)/(2))=30.31" min"`. |
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