Punjab Technical University 2010-2nd Sem B.Sc BioInformatics (BI) (nd) FUNDAMENTALS & PRINCIPLES APPLICATIONOF CHEMISTRY - Question Paper
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Total No. of Questions : 13] [Total No. of Pages : 03
J-3720[S-1577] [2037]
B.Sc. (BI) (Semester - 2nd)
FUNDAMENTALS & PRINCIPLES APPLICATIONOF
CHEMISTRY
(B.Sc. (BI) - 203/201, 202)
Time : 03 Hours Maximum Marks : 75
Instruction to Candidates:
1) Section - A is compulsory.
2) Attempt any Nine questions from Section - B.
Section - A
a) What do you understand by the term order of a reaction? How the order of reaction differ from molecularity of reaction?
b) Differentiate between Galvanic cell and electrolytic cell?
c) Comment on the statement The entropy of the universe is always increasing.
d) Give IUPAC name of the following
(i) [CoCl(NH3)5]2+
(ii) [Co(NH3) JCl3
e) Give important postulates of warners co-ordination theory.
f) What are different kind of electronic transitions possible in a molecules?
g) Enlist various types of molecular vibrations possible in IR?
h) What is denaturation and renaturation of proteins?
i) What is isoelectric point?
k) What are Zeolites? How do they function in removing hardness of water? What are the limitations of this process?
l) Why is Calgon conditioning better than phosphate conditioning?
m) Write a note on stability of coordination compound in solution?
n) Write the Zwitterion structure of glycine?
o) How does Fructose differ from Glucose?
Section - B
(9 x 5 = 45)
Q2) How is e.m.f. of a cell is related to
(a) Free energy change
(b) Equilibrium constant
Q3) What are reference electrodes? Describe construction of calomel electrode?
Q4) Explain what is meant by change of entropy (} f) of a system. How is this related to quantity of heat q?
Q5) Explain the meaning of pseudo unimolecular reaction?
Q6) Explain the terms BOD and COD. Indicate their significance in sewage treatment?
Q7) What are detergents? How does they differ from soaps? Describe various types of detergents?
Q8) Explain temperature dependence of EMF.
Q9) Write short notes on
(a) Galvanic cell
(b) Calomel electrode
Q11) How do Raman and IR spectra of same molecules resemble and differ?
Q12) What are proteins? Name the products obtained by hydrolysis of proteins?
Q13) What are transition and inner transition elements. Give characteristics of these metals?
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J-3720[S-1577] -3-
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