PHA 317: Pharmaceutics Quiz 10 – 11 UPDATED ACTUAL Questions and CORRECT Answers

PHA 317: Pharmaceutics Quiz 10 – 11 UPDATED ACTUAL Questions and
CORRECT Answers

The time taken for 5% of a drug to 0.051/k1
decompose by first-order kinetics is (where
k1 is the first order rate constant):

What is the remaining concentration in a. 0.875
mg/mL of a drug (initial concentration a0 =
7 mg/mL) after a time equivalent to 3 half-
lives assuming that the decomposition
follows first-order kinetics?

0.052
The following data were obtained for the
hydrolysis of 0.2 M of a drug which follows
first order kinetics:


13.3 hr
The following data were obtained for the
hydrolysis of 0.2 M of a drug which follows
first order kinetics:


Which of the following statements about Neither i nor ii is correct.
zero order reaction is/are correct?
i. The rate of reaction is dependent on the
concentration of reactant(s).
ii. The half-life = 0.693/k where k is zero
order reaction rate constant.

Select the correct order of degradation of Pseudo first-order
a drug by hydrolysis

In a zero order reaction, the rate of False
decomposition is dependent on the
concentration of one of the reactants. (True
or False)

In a zero order reaction: The rate of decomposition is independent of the concentration of reactants