B.Pharm. (Semester (New CBCS) Examination, 2018
pharmaceutical analysis II
Day and Date Friday, 14-12-2018 Total Marks 70
Time 10.30 a.m. to 1.30 p.m.
I. Multiple choice questions.
Which is the complimentary colour of red
Yellow Blue Orange Green
Which of the following element is generally analysed by flame photometer
Lithium Potassium Calcium All of these
Vierdot's method is popularly known as method.
Simultaneous Eqn. Q ratio
Absorption ratio Geometric correction
In Atomic Absorption Spectroscopy, with what material is the cathode in
Hollow cathode lamp constructed
Tungsten Quartz
Element to be investigated Aluminium
Shifting of absorption maxima towards longer wavelength is termed as
Bathochromic shift Hypsochromic shift
Hyperchromic effect Hypochromic effect
In Atomic absorption spectroscopy, which of the following is the generally
used radiation source
Tungsten lamp
Xenon mercury arc lamp
Hydrogen or deuterium discharge lamp
Hollow cathode lamp
According to the Beer-Lambert Law, absorbance is
Inversely proportional to the concentration
Directly proportional to the concentration
Directly proportional to the transmittance
Inversely proportional to the log of the concentration
P.T.O.
Seat
No. Set P
Set P
SLR-TV 34 *SLRTV34*
Which of the following fuel oxidant mixture produces highest temperature
Hydrogen-air Propane-air
Natural gas-air Acetylene-Oxygen
Which of the following is not a detector used in Flame emission photometers
Photovoltaic cell Chromatogram
Photoemissive tube Photronic cell
10) In which instrumentation there is no need of an external energy source
Flame photometry Spectrophotometry
Fluorimetry Chemiluminescence
11) Laminar flow burner used in Flame photometers is also known as
Turbulent burner Premix burner
Total consumption burner Nozzle mix burner
12) The visible region of the electromagnetic spectrum lies in the wavelengths
region of
200-300 nm 340-650 nm
380-750 nm 100-900 nm
13) The photomultiplier can be used in spectrophotometry as a
Filter
Source that generate energy beams
Detector
Monochromator
14) Which of the following is the principle of Atomic absorption photometers
Radiation is absorbed by non-excited atoms in vapour state and are
excited to higher states
Medium absorbs radiation and transmitted radiation is measured
Colour of the flame is observed
Only wavelength of the background flame is measured
15) In Flame emission photometers, the measurement of is used for
qualitative analysis.
Colour Intensity
Velocity Frequency
Set P
II. Answer any five of the following questions.
Enlist various methods of assay of substances in multi component samples.
Derive simultaneous equation method.
Explain factor affecting an intensity of fluorescence.
Enlist various burners used in flame photometry. Discuss any two.
Explain in detail electronic transitions in UV visible spectroscopy.
Explain quenching of fluorescence. Add a note on applications of
fluorimetry.
Write the principle of Flame Photometry.
III. Answer any three of the following questions. (10×3=30)
Describe the Instrumentation of flourimetry with a neat labeled diagram.
Explain the Instrumentation of Atomic Absorption Spectroscopy with a neat
labeled diagram.
Explain in brief the interferences and applications in Atomic Absorption
Spectroscopy.
State and derive Beer-Lambert's law. Explain deviations from Beers Law.