Inorganic Chemistry V

Paper Code: 
CHY 511
Credits: 
3
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

Course Objectives:

This course will enable the students to -

1. develop a vast knowledge of structure, bonding, stability and reaction mechanism involved in metal complexes including metal carbonyls and nitrosyls.

2. provide in-depth knowledge of the mechanism involved in homo and heterogeneous catalysis.

3. acquaint them with the promising future of organo-transition metal chemistry in industrial, biological and environmental fields

 

Course Outcomes (COs):

Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment

Strategies

Paper Code

Paper Title

 

 

 

 

 

CHY-511

Inorganic Chemistry V

 

 

 

 

 

The students will be able to –

 

CO125: describe LCAO concept and sketch MO diagram of triatomic molecules compare MO diagrams of different geometries of complexes.

CO126: define stability of complexes and compare thermodynamic with kinetic stability of complexes and discuss reaction mechanism of transition metal complexes and explain trans effect and its applications

CO127: apply 18-electron rule to rationalize the stability of organometallic compounds

 CO128: know about the important preparations of organometallic compounds and structural features of the metal alkyls, aryls and sandwich compounds.

CO129: develop a general idea of catalysis and describe in detail the mechanism of various homogeneous and heterogeneous organometallic catalysts

CO130: interpret the structure and bonding involved in metal carbonyls and metal nitrosyls

 

Class lectures

 

Tutorials

 

Group discussions

 

Peer teaching and learning

 

Question preparation

Subjective type

  • Long answer
  • Short answer

Objective type

  • Multiple choice questions
  • One answer/two answer type questions
  • Assertion and reasoning

 

The oral and written examinations (Scheduled and surprise tests)

 

Closed book and open book tests

 

Problem solving exercises

 

Assignments

 

Quiz

 

Semester End Examination

 

 

10.00
Unit I: 
Molecular Orbital Theory

Metal-ligand bonding (MO concept) in triatomic molecules- H2O and BeH2, LCAO approximation, ligand group orbitals, sigma bonding in octahedral, tetrahedral, square planar complexes (qualitative pictorial approach).

10.00
Unit II: 
Stability and Reaction Mechanism

Reactivity and stability: Thermodynamic and Kinetic Stability of Metal Complexes, labile and inert complexes, factors affecting the stability of complexes, ligand substitution reactions: patterns of reactivity, classification of mechanisms, energy profile of reaction transition states, mechanism of substitution reactions(acid hydrolysis) in octahedral complexes in Co(III) complexes, mechanism of ligand substitution reactions in square-planar complexes of Pt (II), the trans-effect, theories and its uses.

9.00
Unit III: 
Organotransition Metal Chemistry

Definition, nomenclature and classification of organometallic compounds; Hapticity(η) of organometallic ligands, 18-electron rule.

Preparation, properties, structure, bonding and applications of alkyls and aryls of Li, Al, Hg, Sn and Ti (η1)

Structure and bonding in metal ethylenic complex – Zeise’s salt (η2)

Structure and bonding in metal cyclopentadienyl complex- Ferrocene(η5)

9.00
Unit IV: 
Catalysis

Principles and Important Reactions of Transition Metal Organometallics: Coordinative unsaturation: oxidative addition and insertion reactions.

Homogeneous catalysis: Hydrogenation of alkenes, hydrosilylation of alkenes, oligomerization and polymerization of alkenes and alkynes, hydroformylation of alkenes and polymerization of alkenes (Ziegler-Natta catalysis).

Heterogenous catalysis: Fisher-Tropsch synthesis, water-gas shift reaction.

7.00
Unit V: 
Metal Carbonyls and Nitrosyls

Introduction to π acceptor ligands; definition, classification, general methods of preparation, properties structure and nature of bonding in metal carbonyls (mononuclear carbonyls only),synergic effect (MO diagram of CO), Carbonylate anions and its reactions.

General methods of preparation, properties structure and nature of bonding in metal nitrosyls.

Essential Readings: 
  • Organometallic Chemistry: A Unified Approach; Second Edition; R.C. Mehrotra and A.Singh; New Age International Private Limited, New Delhi, 2000.
  • Inorganic Chemistry; Seventh International Edition; M. Weller, T. Overton, J. Rourke, F. Armstrong; Oxford University Press, New York, 2018.
  • Inorganic Chemistry; Fifth Edition; Gary L. Miessler and Donald A. Tarr; Pearson Education Inc. Singapore, 2013.
  • Inorganic Chemistry (Principle and Structure and Reactivity); Fourth Edition; J. E Huheey, E. A. Keiter, R. L. Keiter; Pearson India, New Delhi, 2013
  • Advanced Inorganic Chemistry, Sixth Edition; F.A. Cotton, G. Wilkinson, C.A. Murillo, M. Bochmann; John Wiley and Sons, USA, New York, 2007.
Academic Year: 
2020-2021
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