Ques 1.

Discuss the fractional distillation for a mixture of benzene and toluene using a suitable diagram.

Ques 2.

(a)Give the thermodynamic derivation of distribution law.    

Ques 3.

(b)  Write any two applications of solvent extraction.

Ques 4.

(a) Derive the expression for distribution coefficient when the solute dissociates is one of the solvents.

Ques 5.

(b)  Differentiate between true, metastable and unstable equilibria giving suitable examples.

Ques 6.

(a) State Gibbs phase rule and give its mathematical form.

Ques 7.

(b)  How many components are there in the following systems? Briefly discuss. 

(i)  

(ii)  

Ques 8.

(a) Calculate the maximum number of phases and maximum number of degrees of freedom that

Ques 9.

(b) Can exist for a one-component system.

When is a system called invariant? Illustrate with an example.

Ques 10.

Draw and explain the phase diagram of sulphur. 

Ques 11.

(a) Define conductivity. Give its SI units. 

Ques 12.

(b) List various factors on which the conductivity of electrolytic solutions depends. 

Ques 13.

Draw and explain the conductometric titration curves for the titration of the following:

(i)  VS 

Ques 14.

(a) List the functions of a salt bridge. 

Ques 15.

(b) What are the conditions which a reversible cell should satisfy.

Ques 16.

(a) What is an electrolyte concentration cell? Write the expression for  for such a  

Ques 17.

(b) cell. Write the reactions occurring at electrodes in the electrolysis of water. Why are a few drops of conc.  added in this process? 

Ques 18.

Discuss the two methods of decarboxylation of carboxylic acids and comment on the nature of products formed. 

Ques 19.

Discuss the two methods of decarboxylation of carboxylic acids and comment on the nature of products formed. 

(i) 

(ii) 

(iii)  

Ques 20.

Briefly explain Hofmann elimination. Also give the importance of this reaction. 

Ques 21.

Differentiate between Sandmeyer reaction and Gattermann reaction giving suitable examples.

Ques 22.

Discuss the Hinsberg test for distinguishing primary, secondary and tertiary amines.

Ques 23.

(a Discuss the preparation of 2-aminobutanoic acid using Strecker synthesis. 

Ques 24.

(b) What is cope elimination? Give reaction. 

Ques 25.

(a) Briefly explain this general structure and classification of peptides.

Ques 26.

(b) What is bradykinin? Give its role?

Ques 27.

How is C-terminal indentified in a peptide or a protein? Discuss.

Ques 28.

(a) Explain the cyctic hemiacetal formation by glucose. 

Ques 29.

(b) Explain mutarotation in glucose.

Ques 30.

Discuss the important features of structure of cellulose giving suitable diagram.