IIS University

Admissions

It is a University which is committed to excellence and overall development of the student and one where talent is nurtured and honed in the best possible manner. Come, be a part of our never-ending journey of accomplishments and accolades.

Psychometric Counselling Tele-Counselling E-mail Counselling Subject Counselling International Admissions

Admissions

It is a University which is committed to excellence and overall development of the student and one where talent is nurtured and honed in the best possible manner. Come, be a part of our never-ending journey of accomplishments and accolades.

Read More

Placements

Excellent education not only imparts knowledge, but also paves the way for a promising and successful career. The Placement Cell at The IIS University has numerous success stories to narrate in this regard...

Read More

Life@IIS Univ

Life @ IISU is nothing less than a kaleidoscope of myriad hues; complete with vibrant events and memorable occasions to cherish for a lifetime.

Read More

Academics

Taking the age-old tradition of enlightenment through education forward, The IIS University - in its continuous pursuit of excellence - firmly believes that an institution’s academic profile determines its worth and value. Therefore, on offer are a wide variety of both conventional and contemporary programmes of study.

Read More

Research

To stimulate curiosity and cater to the global needs of a dynamic education, The IIS University - since inception - has been promoting and encouraging research-based experiential learning among all its students.

Read More

About Us

The IIS University, with its perfect amalgamation of innovation, inspiration and synergy, aims to be a model institution for students across disciplines and programmes.

Read More
Stability, Bonding and Inorganic Reaction Mechanism | Chemistry

Stability, Bonding and Inorganic Reaction Mechanism

Error message

  • Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 691 of /home/iisunivac/public_html/includes/bootstrap.inc).
  • Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 692 of /home/iisunivac/public_html/includes/bootstrap.inc).
  • Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 693 of /home/iisunivac/public_html/includes/bootstrap.inc).
  • Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 698 of /home/iisunivac/public_html/includes/bootstrap.inc).
  • Warning: ini_set(): Headers already sent. You cannot change the session module's ini settings at this time in drupal_environment_initialize() (line 702 of /home/iisunivac/public_html/includes/bootstrap.inc).
Paper Code: 
CHY 121
Contact Hours: 
60.00
Objective: 

To learn about kinetics and reaction mechanism of transition metal complexes, and the nature of metal-ligand bonding in coordination compounds.

 

11.00
Unit I: 
Stability of Complex ions in Solution

Thermodynamic and kinetic stability, stepwise and overall formation constants, factors affecting stability of complexes. Determination of the stability constants of complexes: pH-metric method, ion exchange method, spectrophotometric method and polarographic method, determination of composition of complexes: Job’s method (method of continous variation), mole ratio method, slope-ratio method.

13.00
Unit II: 
Mechanism of Reactions of Transition Metal Complexes-I

Kinetics of substitution reactions in octahedral complexes, acid hydrolysis(SN1 mechanism), factors affecting acid hydrolysis and base hydrolysis, conjugate base mechanism (SN1CB mechanism), direct and indirect evidence in favour of conjugate mechanism.  Anation reactions: reactions without metal ligand bond cleavage, Berrys’s pseudo rotation mechanism.

            Self Study: Ligand Substitution Reactions: Patterns of reactivity, classification of mechanisms: (associative, dissociative and interchange mechanism of substitution), energy profile of reaction transition states. inert and labile complexes.

12.00
Unit III: 
Mechanism of Reactions of Transition Metal Complexes-II

Trans effect, theories of trans effect and its uses, mechanism of substitution in square planar complexes, factors affecting substitution reactions in square planar complexes, Swain Scott equation, cis-trans isomerization.

Redox Reactions: Classification, mechanism of one electron transfer reaction: outer sphere type reactions, cross reactions and Marcus-Hush theory (Qualitative treatment), inner sphere type reactions, two electron transfer reaction (brief idea).

 

12.00
Unit IV: 
Molecular Orbital Theory-I (σ-bonding)

Ligand Field Theory: An introduction, molecular orbital diagrams of some simple polyatomic molecules like BeH2, H2O, NH3, Walsh diagrams: LCAO’s approximation, σ-only molecular orbital energy levels for octahedral, tetrahedral and square planar complexes.

 

12.00
Unit V: 
Molecular Orbital Theory-II (π-bonding)

Molecular orbital energy levels for octahedral, tetrahedral and square planar complexes containing π-bonds, effect of pi-bonding. Experimental evidences for π - bonding: crystallography and Infra red spectroscopy.

Angular Overlap Model: Principles, σ- and π- bonding in octahedral complexes.

 

Essential Readings: 

1.         Inorganic Chemistry; Fifth Edition; D.F. Shriver and P.W. Atkins; Oxford University Press, New York, 2004.

2.         Inorganic Chemistry, Principles of Structure and Reactivity; Fourth Edition; J.E. Huheey, E.A. Keiter and R.L. Keiter; Harper Collins 2001.

3.         Advanced Inorganic Chemistry; Sixth Edition; F.A. Cotton and G. Wilkinson; John Wiley and Sons, USA, New York, 2003.

4.         Inorganic Chemistry; Third Edition; G. L. Miessler and D. A. Tarr; Pearson Education,  New Delhi, 2007.

5.    Fundamental Concepts of Inorganic Chemistry; Volume 4 & 5, First Edition; A. K.                Das and M. Das; CBS Publishers, New Delhi, 2014.

Academic Year: