B.Pharmacy (Semester (New CBCS) Examination, 2018
pharmaceutical analysis i
Day and Date Monday, 10-12-2018 Total Marks 75
Time 10.30 a.m. to 1.30 p.m.
I. Multiple choice questions (20×1=20)
is used as primary standard for standardization of NaOH.
Sodium carbonate Sodium bicarbonate
Sodium chloride Potassium dichromate
Phenolphthalein has a pH range of
6.8 8.4 1.2 2.8 8.3 11.0 4.2 6.3
Errors arise due to the individual analyst is responsible for them
Method error Instrumental error
Personal error Random error
Solution of known concentration
Standard solution Concentration
Solution Concentrated solution
Primary standard used in redox titration
Potassium dichromate Oxalic acid
Arsenic trioxide All
Acid is a substance which dissociates in water to produce hydrogen ions
Arrhenius theory Lewis theory
Bronsted theory Lowry theory
The colour change is due to ionisation of the acid base indicators
Ostwald theory Chromophore theory
Quinonoid theory Resonance theory
Substance that can be reversibly oxidized or reduced, having different
distinct colour in the individual oxidized and reduced forms
Redox indicators Redox potential
Redox number Redox state
P.T.O.
Seat
No. Set P
Set P
SLR-TV 2 *SLRTV2*
20 gm NaOH in 500 ml
0.1 N 1 N 0.5 M 0.05 N
10) In oxidation reduction change in of reacting element takes
place.
Volume pH Absorbance Valency
11) is not an amphiprotic solvent.
Water Alcohol Acetic acid None
12) Mordant blue III indicator is used for detection.
Aluminium Calcium Magnesium Thorium
13) is not type of co-precipitation.
Surface adsorption Occlusion
Crystallization Mechanical entrapment
14) Acidic dyes used in Fajan's method
Phenol Rhodamine series
Fluorescein Thymol blue
15) Oxidation-Reduction titration is also known as
Complexometric titration Gravimetric titration
Redox titration Gasometric titration
16) Potentiometry is type of method.
Qualitative Chromatographic
Classical Electro-chemical
17) Chelating agent is
Salicylic acid EDTA
Benzoic acid Glycerol
18) used as titrant in non-aqueous titration.
EDTA Perchloric acid
Sodium nitrite Silver nitrite
19) Assay of calcium gluconate used to increase the sharp end
point.
Magnesium sulphate Calcium sulphate
Calcium carbonate Magnesium carbonate
20) Conductometry used for the measurement of
Conductivity Potential
Temperature Concentration
Set P
*SLRTV2* SLR-TV 2
II. Long answers (any (10×2=20)
Explain any two neutralisation curves with examples.
Explain Fajan method and Mohr's method.
Explain the types of redox titration.
III. Short answers (any
Write about masking and demasking agent with example.
Discuss the concept of Co-pricipitation.
Discuss in brief principle of conductometric titration.
Define pharmaceutical analysis. Give the importance of pharmaceutical
analysis.
Define and classify errors.
Enlist steps involved in gravimetry. Explain in detail filtration.
How will you prepare and standardize 1M KMnO4
Draw the diagram and advantages of Dropping Mercury Elecrode.
Explain the solvents used in non-aqueous titrations.