........... is the time necessary for the concentration of the reactant to decrease to 90% of its original concentration.

Related MCQs

• When rate is independent of the reactant concentration, then it is called
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• ......... technique is utilized in presence single reactant for determination of order of reaction.
• The reaction rate constant (k) is 2.0 x 10-3 min.-1 for aspirin hydrolysis in 0.1 N hydrochloric acid at 1mg/ml concentration. Under same conditions, if the product contains aspirin 4 mg/ml of the initial concentration, the k value in minutes-1 will be:
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• ....... is the concentration of globules at the top or bottom of the emulsion.
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