What is the significance of rate constant in a rate law?
Rate constant is the rate of the reaction when the concentration of each reaction is unity. Greater the value of the rate constant, faster is the reaction.
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Define half-life of a reaction?
The half-life of a reaction is the time in which the concentration of a reactant is reduced to one half of its initial concentration. It is represented as t1/2.
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For a reaction A + H2O → B rate α[A]. What is its (i) molecularity, (ii) order of reactions?