shekhawati university previous year question paper pdf
pdusu previous year paper M.Sc(Previous) examination 2019
M.Sc(Previous) examination 2019
paper I
Inorganic Chemistry
Time : 3 Hours
List all the symmetry elements, symmetry operations and point group of each of the following molecules:
(a) Cis- [Pt (NH3)4Cl,]
(b) Staggered form of ethane
(c) HCI
(d) [PtCl6]2-
(g) PCI5(h) POCI
(a) Describe the Great Orthogonality Theorem and construct the character table for point group
(b) Write notes on:
1 Character of a representation
2 Proper axis of rotation with example
Write notes on:
(1) Metal nitrosyl
(ii) Tertiary phosphine as ligand
(ii) Isopoly acid
(iv) Heteropoly acid
Write notes on:
1 Walsh diagram for pentaatomic (CH,I) molecules
2 Postulates of VSEPR theory
b Bent rule with suitable examples
Unit-'III
(a) Explain Tanabe Sugano diagram for transition metal complexes with d state.
(b) Explain spectroscopic method of assignment of absolute configuration in optically active metal
chelates.
6 (a) Describe the determination of binary formation constant by pH-metry and spectrophotometry.
(b) What is meant by thermodynamic stability of metal complexes? Discuss the factors affecting it.
7. Write short notes on the following:
(a) Base hydrolysis
(b) Anation reactions
i) Substitution reaction in square planar complexes
(d) Redox reactions
1 Walsh diagram for pentaatomic (CH,I) molecules
2 Postulates of VSEPR theory
b Bent rule with suitable examples
Unit-'III
(a) Explain Tanabe Sugano diagram for transition metal complexes with d state.
(b) Explain spectroscopic method of assignment of absolute configuration in optically active metal
chelates.
6 (a) Describe the determination of binary formation constant by pH-metry and spectrophotometry.
(b) What is meant by thermodynamic stability of metal complexes? Discuss the factors affecting it.
Unit-'IV
7. Write short notes on the following:
(a) Base hydrolysis
(b) Anation reactions
i) Substitution reaction in square planar complexes
(d) Redox reactions
