M.Sc-M.Sc Chemistry 1st Year Paper - II : INORGANIC CHEMISTRY (Acharya Nagarjuna University - Center for Distance Education, Guntur, Andhra Pradesh-2013)

(DCHE 02) NR M.Sc. (Previous) DEGREE EXAMINATION, MAY - 2013 
First Year 
Chemistry 
Paper - II : INORGANIC CHEMISTRY 

Time : 03 Hours                                                                            Maximum Marks : 80

Part - A (4 × 8 = 32) 

Answer any Four questions 

1) Explain the interpretation of and Heisen-berg’s in certainty principle. 
2) Explain spin and orbital angular momentum. 
3) What are the bond orders of CN 
-
, CN and CN +
? Which of these species will have the  shortest bond length? Explain. 
4) Explain ion formation and types of ions giving suitable examples. 
5) Discuss the magnetic properties of transition metal ions. 
6) Draw and explain orgel diagram and spectrum of d2 ion. 
7) Describe the classification of labile and inert complexes according to valence bond theory 
with examples. 
8) Write the preparation and properties of Silicates. Part - B (4 × 12 = 48) 
Answer all questions 9) a) Explain variation method and its application to determine ground state energy of 
hydrogen atom. 
OR 
b) Discuss the schrodinger wave equation for an electron in a box. 
10) a) State and explain the important postulates of Molecular orbital theory. Draw and explain 
M.O energy diagram of O2. 
OR 
b) Discuss the types of crystals with suitable examples. 
11) a) Describe the factors affecting the stability of metal complexes with relevant examples. 
OR 
b) Define crystal field stabilization energy (CFSE). Discuss the crystal field splitting of 
d orbitals in octahedral complexes with examples. 
12) a) Discuss the ligand substitutions of SN1 and SN2 in square planar complexes with 
suitable examples. 
OR 
b) Write the preparation, properties and structures of carboranes. 
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