Inorganic Chemistry IV

Paper Code: 
CHY 411
Credits: 
3
Contact Hours: 
45.00
Max. Marks: 
100.00
Objective: 

Course Objectives:

This course will enable the students to -

1. provide the in-depth knowledge of the nature of metal-ligand bonding in coordination compounds.

2. understand the magnetic and spectral aspects of transition metal complexes and their applications.

3. acquaint the students with the basic principles of analytical and gravimetric techniques.

Course Outcomes (COs):

Course

Learning outcomes

(at course level)

Learning and teaching strategies

Assessment

Strategies

Paper Code

Paper Title

 

 

 

 

 

CHY-411

Inorganic Chemistry IV

 

 

 

 

 

The students will be able to –

CO97: distinguish between splitting pattern of orbitals for different geometries of complexes

CO98: calculate CFSE for different geometries of complexes and identify the cause and infer the consequence of Jahn Teller and list out the applications of CFT

CO99: differentiate between different types of magnetic behavior and interpret magnetic moments for different complexes

CO100: describe L-S coupling and compute ground state terms and employ selection rules and sketch orgel diagrams and discuss electronic spectra

CO101: classify different types of errors distinguish between accuracy and precision and calculate various types of deviations to express precision.

CO102:

discuss principles and methods involved in gravimetric analysis

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)

 

open book tests

 

Problem-solving exercises

 

Assignments

 

Quiz

 

Semester End Examination

 

 

 

 

11.00
Unit I: 
Theory of Bonding in Coordination Compounds : CFT

Crystal Field Theory: Postulates, splitting of d orbitals in octahedral,tetrahedral, tetragonal and square planar fields, spectrochemical series, factors affecting the magnitude of  Δ₀, crystal field stabilization energy in weak and strong fields; pairing energy, number of unpaired electrons and high spin (HS) and low spin (LS) complexes,distribution of d-electrons in t2g and eg orbitals in octahedral and tetrahedral complexes, distortion of octahedral complexes- Jahn Teller theorem; use of CFSE values, applications and limitations of CFT.

9.00
Unit II: 
Magnetic Properties of Transition Metal Complexes

Types of magnetism, types of magnetic behaviour, orbital and spin magnetic moments, methods of determining magnetic susceptibility by Gouy’s balance, spin only moments of dn ions and their correlation with effective magnetic moments, including orbital contribution; Quenching of magnetic moment: Super exchange and antiferromagnetic interactions (elementary idea with examples only); Applications of magnetic moment data for transition complexes.

10.00
Unit III: 
Electronic Spectra of Transition Metal Complexes

Types of electronic transitions; Coupling of orbital angular momenta and spin angular momenta (in p2 and d2 configuration), spin orbit coupling/LS coupling, determining the ground state terms – Hund’s rule, hole formulation, calculation of the number of micro states; selection rules- Laporte ‘orbital’ selection rule, spin selection rule, spectroscopic ground states; Orgel energy level diagram for d1 and d9 states, (one electron - one hole ),discussion of electronic spectrum of [Ti(H2O)6]+3complex, charge transfer spectra (elementary idea).

7.00
Unit IV: 
Basic Principles of Analytical Techniques

Data Analysis: errors in chemical analysis, classification of errors (determinate indeterminate, systematic and random errors in chemical analysis with examples, absolute and relative errors),  accuracy and precision, minimisation of errors; Distribution of random errors, normal error curve, significant figures; Statistical analysis – Mean and standard deviation; Relative standard deviation coefficient of variance, sampling in analysis, rejection of results, presentation of data.

8.00
Unit V: 
Gravimetric Methods of Analysis
Requirements of gravimetry: Properties of precipitates and precipitating regents, particle size and filterability of precipitates, colloidal and crystalline precipitates, co-precipitation and post-precipitation,washing, drying and ignition of precipitates, precipitation in homogenous media, principles of gravimetric estimation of chloride, zinc, iron and aluminum singly.
Uses of Reagents in gravimetric analysis: Dimethyl Glyoxime, 8-Hydroxy quinoline, Anthranilic acid, Cupferron.
 
Essential Readings: 
  • Concise Inorganic Chemistry; Fifth Edition; J.D. Lee; Wiley India(P) Ltd, New Delhi, 2008.
  • Inorganic Chemistry (Principle ,Structure and Reactivity); Fourth Edition; J. E Huheey, E. A. Keiter, R. L. Keiter; Pearson India, New Delhi, 2013.
  • Inorganic Chemistry; Seventh International Edition; M. Weller, T. Overton, J. Rourke, F. Armstrong; Oxford University Press, New York, 2018.
  • Advanced Inorganic Chemistry, Sixth Edition; F.A. Cotton, G. Wilkinson, C.A. Murillo, M. Bochmann; John Wiley and Sons, USA, New York, 2007.
  • Vogel’s Textbook of Quantitative Chemical Analysis; Sixth Edition; M. Thomas, B. Sivasankar, J. Mendham, R.C. Denney, J. D. Barnes; Pearson Education, New Delhi, 2009.
 
Academic Year: 
2020-2021
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