Download RTMNU (Rashtrasant Tukadoji Maharaj Nagpur University) B.Pharma (Bachelor of Pharmacy) 2nd Semester 2016 Summer Pharmaceutical Analysis 1 Question Paper
B. Pharm. Semester-II (C.B.S.) Examination
PHARMACEUTICAL ANALYSIS?I
Paper?IV : 2T4
Time?Three Hours] [Maximum Marks?80
N.B.:? (1) Question N0. 1 compulsory.
(2) Solve any FOUR questions from the
remaining.
(3) Draw neat labelled diagram wherever
necessary.
(4) Use of electronic calculator is permitted.
1. Answer any FIVE 0f the following :
(a) Explain why chloride estimation by Mohr's method
need to be performed in neutral media.
(b) Comment on the use of acetic anhydride in preparation
of 0.1 M acetous perchloric acid.
(0) Explain why aqueous solution of sodium chloride is
neutral whereas solution of sodium acetate is basic.
MXP?N?37 12 1 Contd.
((1) Give advantages of ceric ammonium sulphate over 5. What are complexes and chelates ? Describe EDTA as
other oxidising agent in redox titrations. a titrant in complexometry. Elaborate the ways and means
of improving selectivity of complexometric titrations and
(6) Explain hOW aging and digestion helps in obtaining explain how will you determine aluminium and magnesium
better quality precipitate in gravimetry. present in admixture. 15
(1) Explain the concept 0f H1015? ity and normality With 6. What is gravimetry ? Give its merits and demerits. Explain
their relative merits and demerits. 4X5 co-precipitation and post-precipitation of impurities and
their minimisation in gravimetric analysis. Add a note on
2. What are neutrallzation mdlcators . Give theory of the1r grav1metr1c assay of p1perazrne salts. 15
action and explain theoretical basis for selection of suitable
indicators for acid-base titrations. 15 7. Explain the theory of adsorption indicators and give their
3. (a) Give advantages and limitations of non-aqueous examp 16? Wlth eondltlone Of. their use. Add_ a note on
titrations and explain alkalirnetry innon?aqueous media. preparation and stardardlsation 0f 01 M Sllver nitrate
1 0 solutlon. 1 5
(b) De?ne accuracy, precision and error. Give classi?cation
of errors with suitable examples. 5
4. Classify the redox indicators with suitable examples and
explain theory of internal redox indicators. Give the method
for preparation, standardization and storage of 0.02 M
solution of potassium permanganate. 15
MXP?N?37 12 2 Contd. MXP?N?37 12 3 1250
This post was last modified on 19 January 2020