K L University 2007 B.E Biomedical Engineering Inorganic and physical chemistry - Question Paper

ans all units
time three hrs
max marks 60

unit 1

1) a. discuss the formation and relative stabilities of the molecular in O2 molecule. Also the bond order of O2 and O2 species
b) how the sailent features of valence bond theory

(or)

2) How is the concept of resonance useful in explaining the stability of inorganic molecules. Illustrate with examples
b) discuss salient features of VSEPR theory

unit 2

3) a. Expalin the preparation of HNO3 by ostwals’s process. Write any 4 chemical properties and uses of it
b) Expalin magnetic properties of transition elements.

(or)

4) a. discuss the preparation of H2SO4 by contact process.
b. Expalin crystal field theory

unit 3

5) a. Expalin with a schematic diagram the phase equilibria of water system
b. expalin the influence of common ion and solidity

(or)

6) a. Derive an expression for the elevation in boiling point of a solvent when a solute is dissolved
b. State and discuss the conditions under which phase rule is represented by F=C+-P-1. What is the quantitative difference ranging from phase diagrams of 1 component and 2 component systems?

Unit 4

7) a. discuss the 2nd legal regulations of thermodynamics.
b. Expalin adiabatic and isothermal proceses with suitable examples

(or)

8) a. State and discuss the 1st legal regulations of thermodynamics.
b. State and expalin the physical significance of entropy.

Unit 5

9) a. expalin enzyme catalysis
b. discuss the subsequent terms with suitable examples.
1) catalyst
2) activation energy
3) promoter

(or)

10) a. what is equivalent conductance? How does it change with concentration?
b) describe kohlraush’s legal regulations. provide its important applications

Earning:   Approval pending.