Acids, Bases and Buffers-MCQ
1.
According to Bronsted and lowry theory
a acid is
A) Proton donar B) electron acceptor C)
proton acceptor D) electron donar
2.
According to Bronsted and lowry theory
a base is
A) Proton donar B) electron acceptor
C) proton acceptor D) electron
donar
3.
According to Lewis theory acid
is
A) electron acceptor B) electron donar C)
proton acceptor D) Proton donar
4.
According to Lewis theory a
base is
A) electron acceptor B) electron donar C)
proton acceptor D) Proton donar
5. According to the
following theory an acid is a substance which dissociates to give hydrogen ions
in water.
A) Arheneous theory B) Bronsted and
lowry C) Lewis theory D) All the above
6. Henderson-Hasselbalch
equation is known as
A) pH = pKa+ log [Conjugate base] B)
A) pH = pKa - log [Conjugate base] [Acid]
[Acid]
C) pH = pKa + log [ Acid ]_____ D)
A) pH = pKa - log [ Acid ]______ [Conjugate
base] [Conjugate
base]
7.
One of the following is not an application of buffer in pharmacy.
A) Decrease the potency B) Increase the solubility
C) Maintain the colour of dye D) Increase the stability
8. 0.9%
w/v Sodium chloride solution is
known as
A)Hypotonic solution B)Isotonic solution
C)Hypertonic solution D)None of the above
9. For strong acid
A) pKa value is more B) pKa value is less C)
Ka value is less D) pH is more
10. For weak acid
A) pKa value is more B) pKa value is less C)
Ka value is more D) pH is less
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