Which one of these methods is the MOST effective in preventing the rate of hydrolysis?

Related MCQs

• 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:
• The specific rate constant (k) determined for aspirin hydrolysis in pH 1.0 buffer at 1 mg/ml concentration is 2.0x10-3 min-1 at 25°C. The shelf life of the product is (in minutes):
• In the hydrolysis of sucrose in hydrochloric acid solution, the change in the optical rotation follows the order:
• Normally, ethyl acetate undergoes hydrolysis in presence of H+ and (OH)-ions. The order of the reaction observed in the acidic and alkaline solutions, respectively, are:
• When a series of steps are involved in a reaction, the ‘overall rate’ of a reaction depends upon the rate(s) of:
• For a flocculated suspension the degree of flocculation is observed to be one. The sedimentation volume is also 1 (one). These values, respectively, indicate the limits:
• Which one of these preparations is NOT qualified as a suspension.
• Which one of these distributions is more important in the design of dosage forms?
• Which one of the following dosage forms exhibit faster rate of reaction under normal conditions?
• Which one of them is refered as a general rate equation (-dc/dt) for a second order?