Nalanda Open University
Annual Examination 2016
B.Sc. Chemistry (Subsidiary), Part-I
Paper-I
Time: 3.00 Hrs. Full Marks: 80
Answer any Five questions. All questions carry equal marks.
1. What do you understand by hydroxy acid? How Lactic acid manufactured by
formation of sugar? How does it react with
H2SO4 HI Fenton reagent.
2. How is oxalic acid obtained? How does it react with following
Pcl5 KMnO4 in acid medium Glycerol.
3. Distinguish between order of reaction and molecularity of reaction? Derive an
expression of rate constant of first order reaction? What is its unit?
4. Describe the methods with equation to prepare phenol. How does it react with:-
CO2 and NaOH CCL4 in NaOh
Fumming nitic acid in presence of H2SO4.
5. Explain the terms:-
Compnents Phases Degree of freedom.
6. What is the chief source of citric acid? How is it obtained inpure state? Establish the
strusture of citric acid.
7. Explain the following:-
Concentraction on cell
Reversible and ireversible process
8. Define isomerism. What are the types of structural isomerism? Give suitable examples
to explain them.
9. State first Law of thermodynamics. Derive a relation between heat Capacity at constant
pressure and at constant volume.
10. Write notes any two of following:-
Inductive effect Addition reaction
Elimination reaction Substitution reaction.