Chemistry Paper VIII Organic Chemistry Previous Year Question Paper Year 2006 : IIIrd Year

SECTION ‘A’

Q. 1. (a) Explain the formation of osazone from Fructose. 2
(b) How will you convert Fructose into glucose ? 2
(c ) Explain Killiani synthesis. 2
(d) Write the structure of anomers.
Answer :

Q. 2. (a) Give the names of the following peptides :
(i) ala-gly (ii) gly-ala.

(b) Explain the secondary structure of proteins.

(c ) Explain :
(i) Zwitterion;
(ii) Isoelectric point.
Answer :

Q. 3. (a) Why pyridine is more basic than pyrrole? 2

(b) How will you convert Napathalene into α-Napthalene sulphonic acid and β-Naphthalene sulphonic acid ?

(c ) How the structure of naphthalene was established ?
Answer :

Q. 4. (a) How do you prepare the following :
(i) Phenacetin; 2
(ii) Aspirin. 2
(b) Give a method for the synthesis of paratliion.
Answer :

Q. 5. (a) Give a method for the preparation of the following dyes:
(i) Indigo;
(ii) Alizarin. 2

(b) Explain the theory of colour and constitution.
Answer :

Q. 6. How do you synthesise the following polymers ?
(i) Polyvinyl chloride; 2
(ii) Polyester from terephthalate; 2
(iii) Polyurethane.
Answer :

Comment for Chemistry Paper VIII Organic Chemistry Previous Year Question Paper Year 2006 : IIIrd Year
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