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FYUGP 5th Semester Chemistry Gwahati University Syallabus Wise Notes

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1. What is Zeise’s salt? Explain its bonding.

Answer: Zeise’s salt is potassium trichloroplatinate(II) ethylene, K[PtCl₃(C₂H₄)]·H₂O. It contains a Pt(II)–ethylene complex in which ethylene coordinates through its π bond. The bonding involves σ donation from ethylene and π back-donation from platinum into ethylene’s antibonding orbital, producing synergic metal–olefin bonding.

2. What is mCPBA epoxidation? Why is it stereospecific?

Answer: mCPBA epoxidation converts an alkene into an epoxide by transferring an oxygen atom across the carbon–carbon double bond. The reaction is stereospecific because oxygen transfer occurs simultaneously, retaining the relative stereochemistry of substituents in the starting alkene unchanged.

3. What is the Collision Theory of Chemical Reactions?

Answer: Collision theory states that molecules must collide with sufficient energy and proper orientation to undergo a chemical reaction. Only collisions having energy equal to or greater than the activation energy are effective. The reaction rate depends on the frequency of effective collisions.

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Course Code: CHE4500104MJ

Inorganic Chemistry II

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Course Code: CHE4500204MJ

Organic Chemistry

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Course Code: CHE4500304MJ / CHE4500404MN

Reaction Dynamics (Major/Minor)

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5th Semester Chemistry 20 MCQ





























Inorganic Chemistry

Course Code: CHE4500104MJ

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Unit: 1 Coordination Chemistry IV
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Unit: 2 Main Group Elements
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Unit: 3 Noble Gases
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Unit: 4 Organometallics I
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Organic Chemistry

Course Code: CHE4500204MJ

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Unit: 1 Formation of carbon-carbon and carbon-heteroatom bonds
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Unit: 2 Reactions of active methylene compounds
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Unit: 3 Reactions of enolates and enamines
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Unit: 4 Nucleophilic reactions on the C=O groups
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Unit: 5 Carbohydrate chemistry
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Unit: 6 Terpenes
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Reaction Dynamics (Major/Minor)

Course Code: CHE4500304MJ/CHE4500404MN

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Unit: 1 Kinetics I
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Unit: 2 Kinetics II
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Unit: 3 Reaction Dynamics
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Inorganic Chemistry II

Semester V Syllabus & Practical Guide

Paper Code: CHE4500104MJ
Theory - 45 Hours
Unit I: Coordination Chemistry IV
12 Hours
Electronic spectra and magnetism of coordination compounds: microstates, free ion term symbols and their splitting in tetrahedral and octahedral fields, Racah parameters, selection rules and relaxation mechanisms (vibronic coupling and spin-orbit coupling), Orgel diagrams and prediction of spectral transitions, Jahn-Teller effect on electronic spectra, charge-transfer spectra, calculation of spin-only and orbital contribution to magnetic moments. Spin crossover.
Unit II: Main Group Elements
15 Hours
Relative stability of different oxidation states, inert pair effect, diagonal relationship, and anomalous behaviour of main group elements. Preparation and properties of ortho and para hydrogen. Preparation, structure and properties of borane (bonding in diborane, brief idea of styx number, Wade's rule), boric acid, borax, borazine, phosphazine, S4N4. Preparation and properties of oxides, superoxides, peroxides, hydrides, hydroxides, halides and carbonates of alkali and alkaline earth metals. Reactions of alkali and alkaline earth metals with liquid ammonia. Allotropes of carbon, phosphorus, and sulphur. Oxides and oxoacids of nitrogen, phosphorus, sulphur, and chlorine. Interhalogen compounds, polyhalides, pseudohalogens. Hydrates, clathrates and inclusion compounds. Preparation, structure and properties of silicates, aluminosilicates.
Unit III: Noble Gases
6 Hours
Occurrence and uses, rationalisation of inertness of noble gases, clathrates; preparation and properties of XeF2, XeF4 and XeF6; nature of bonding in noble gas compounds (valence bond treatment and MO treatment for XeF2). Molecular shapes of noble gas compounds (VSEPR theory).
Unit IV: Organometallics I
12 Hours
Definition and classification of organometallic compounds on the basis of bond type. Concept of hapticity of organic ligands, 18-electron rule. Metal carbonyls: electron count of mononuclear, polynuclear and substituted metal carbonyls of 3d series. General methods of preparation (direct combination, reductive carbonylation, thermal and photochemical decomposition) of mono- and binuclear carbonyls. Structures of mononuclear and binuclear carbonyls of Cr, Mn, Fe, Co and Ni. π-acceptor behaviour of CO (MO diagram of CO), synergic bonding effect and use of IR data to explain the extent of back bonding. Zeise's salt: preparation and structure, evidence of synergic effect and comparison with carbonyls.
Laboratory 30 Hours
  • Estimation by volumetric method: Fe(III) by standard KMnO4 solution; Fe(III) by standard K2Cr2O7 solution; Cu(II) by iodometric method.
  • Estimation of Ni(II) by gravimetric method.
  • Separation and estimation of individual ions in two-component systems: Cu and Fe; Fe and Ca; Ca and Mg; Cu and Ni; and Cl− and SO42−.



Organic Chemistry II

Semester V Syllabus & Practical Guide

Paper Code: CHE4500204MJ
Theory - 45 Hours
Unit I: Formation of Carbon-Carbon and Carbon-Heteroatom Bonds
10 Hours
Wurtz Reaction, Wurtz-Fittig reaction, Simmons-Smith reaction; free radical substitutions; Saytzeff and Hofmann eliminations; reagents of phosphorus, sulfur and boranes; stereospecific and stereoselective reactions; stereoselective reactions of alkenes: epoxidation reaction using mCPBA.
Unit II: Reactions of Active Methylene Compounds
8 Hours
Active methylene compounds (keto-enol tautomerism): preparation and synthetic applications of diethyl malonate and ethyl acetoacetate.
Unit III: Reactions of Enolates and Enamines
8 Hours
Formation and stability of enolates and enamines; alkylation of enolates and enamines; aldol reaction: aldol and benzoin condensation; Claisen reaction, Claisen-Schmidt reaction, Knoevenagel condensation, Perkin reaction; Cannizzaro reaction, Wittig reaction, Favorskii reaction, Beckmann rearrangement, Benzil-Benzilic acid rearrangement; addition reactions of unsaturated carbonyl compounds; Michael addition, Wolff rearrangement.
Unit IV: Nucleophilic Reactions on the C=O Group
4 Hours
Nucleophilic attack at the carbonyl group (geometrical aspects); concept of prochirality; stereoselective additions to carbonyl groups: Cram's rule, Felkin-Anh model.
Unit V: Carbohydrate Chemistry
9 Hours
Classification of monosaccharides; absolute configuration of glucose and fructose, epimers and anomers; mutarotation; determination of ring size of glucose and fructose; conformations of glucose (Fischer, Haworth and stereoscopic projections); interconversions of aldoses and ketoses; Killiani-Fischer synthesis and Ruff degradation; disaccharides: structure elucidation of maltose, lactose and sucrose. Polysaccharides - structures of starch, cellulose and glycogen.
Unit VI: Terpenes
6 Hours
Occurrence of terpenes; structure and classification of terpenes, isoprene rule; synthesis of citral, neral and α-terpineol; biosynthesis of limonene, pinene, carvone (via isopentenyl pyrophosphate).
Laboratory 30 Hours
  • Qualitative analysis of carbohydrates: aldoses and ketoses, reducing and non-reducing sugars.
  • Qualitative analysis of unknown organic compounds containing simple functional groups (alcohols, phenols, amines, nitro, carboxylic acids and carbonyl compounds).
  • Interpretation of infrared (IR) spectra of simple organic compounds.




Reaction Dynamics

Semester V Syllabus & Practical Guide

Paper Code: CHE4500304MJ / CHE4500404MN
Theory - 45 Hours
Unit I: Kinetics I
9 Hours
Order and molecularity of reactions. Rate laws and rate equations for zero, first and second order reactions. Graphical representations and examples. Expressing rate laws in terms of volume and pressure of reactants. Experimental determination of order of reactions (half-life method and initial rate method). Temperature dependence of reaction rate, energy of activation, Arrhenius equation. Pre-exponential factor and failure of Arrhenius equation.
Unit II: Kinetics II
14 Hours
Difference between equilibrium and steady state. Limiting reagents, rate-determining step and steady-state approximation with suitable examples. Opposing reactions, consecutive reactions and parallel reactions (all steps first order). Kinetic and thermodynamic control of products. Idea on explosive reactions. Enzyme catalysis: Derivation of Michaelis–Menten equation and interpretation of Lineweaver–Burk plots, Eadie–Hofstee plot. Turnover number. Oscillating reactions.
Unit III: Reaction Dynamics
22 Hours
Collision theory (detailed treatment). Modelling the pre-exponential factor. Sphere of influence and collision cross section, equivalence between Arrhenius and Collision theory. Failure of Collision theory. Physical interpretation of reaction coordinates and potential energy surfaces. Activated complex theory (detailed treatment). Thermodynamic formulation and derivation of Eyring equation. Evaluation of Arrhenius pre-exponential factor from transition state theory. Chemically and diffusion controlled reactions. Primary and secondary salt effects. Derivation of Brønsted–Bjerrum equation. Lindemann and Hinshelwood theory of unimolecular reaction.
Laboratory 30 Hours
  • Determine the rate constant of the acid catalysed hydrolysis of methyl acetate.
  • Determine the rate constant of saponification of ethyl acetate.
  • Determine the activation energy of the hydrolysis of methyl acetate catalysed by hydrochloric acid.
  • Verify the Freundlich isotherm for the adsorption of oxalic acid on activated charcoal.
  • Verify the Langmuir isotherm for the adsorption of acetic acid on activated charcoal.
  • Determine the critical micelle concentration of a surface-active agent by surface tension measurements.
  • Study the kinetics of the Iodide–persulphate reaction by initial rate method.
  • Computer-aided linear curve-fitting techniques (e.g. first-order kinetics using least squares) and evaluation of errors and standard deviations.