M.sc. chemistry 2019 first semester
Distance Learning C.V. Raman University Bilaspur
Subject- Organic chemistry -1 Max Mark-70, min. Mark -25 Time 3 Hrs
Note-Attempt all question .All question carry equal marks
First semester
organic chemistry -1
Q.1 (a) what is hard and soft acid and base ?Write the theory and application HSAB.
(b) Write short notes on:
1 .Carbaniums
2 .Carbocations
3. Enolate ion
or
(a) What is aliphatic nucleophilic substitution reaction? Explain various types of reactions with mechanism.
(b) Explain factors affecting reactivity in nucleophilic substitution reaction.
Q.2 Write short notes on the following :(Any two)
1.Vilsmeir Haack reaction
2.Gatterman koch reaction
3.Diazonium coupling reaction
or
(a) Eplain biomolecular electrophilic substitution reaction with mechanism.
(b)Write the factors affecting the electrophilic substitution reaction.
Q.3 (a) write note on stereochemistry of addition reaction .
(b) What is antimorkonikov rule? Explain regioselectivity in addition Borane.
or
(a) Explain the hydrogenation in aliphatic and aromatic compounds with mechanism.
(b) Explain mechanism of von Richer rearrangement.
Q.4(a) Briefly explain why E2 reaction is most common elimination reaction among E21 E &E1 CB?
(b) What are the conditions that favour E1 CB mechanism is an elimination reaction ?Illustrate with two example.
or
(a) Explain pyrolytic elimination reaction .
(b)Explain nature of medium on elimination reaction.
Q.5 (a) Write short notes on the following :(Any two)
1. Kurtius reaction
2. Backman reaction
3.fries rearrangement
(b) Briefly explain R and S nomenclature with example.
or
(a) What is difference between configuration and conformation ?
(b) Briefly explain geometrical isomerism
Inorganic chemistry 1
Q.1 Derive equation for particle in one dimentional box.
or
Write short notes on the following : (Any two)
(1) The wave equation
(2) photo electric effect
Q.2 Discuss about "VSPER" theory.
or
Write short note on the following:
(1) Walsh diagram
(2) Bent rule
Q.3 Write detail about Ligand field theory.
or
Write short note on the following :
(1) John Teller distontion
(2) Change transfer spectra
Q.4 Discuss about photo system- PS-I & PS-II.
or
Write details about cytochrome -c.
Q.5 Discuss about symmetry elements and operations .
or
Write details about point symmetry grooup and character.
M.sc. chemistry syllabus cv raman university
Physical chemistry I
Q.1 what is second law of thermodynamics ? Give the detail about the Maxwell relations.
or
Explain the physical significance of entropy ? Explain the efficiency of heat engine with the help of carnot cycle.
Q.2 Describe the binary liquid mixture with the help of Duhem-Margules equation and give him its application.
or
What do you mean by activity coefficients ? Eplain the determination activity coefficients from vapor pressure measurement .
Q.3 write short notes on any two of the followings:
(1)Collision diameter and collision number in a gas.
(2)Kinetic theory of viscosity and diffusion
(3) Root mean square
Q.4 Explain the degree of polymerization and molecular weight . give the method of determining molecular weight .
or
Write down important key point on Hophilic and lyopholic sols give the properties and classification of soles.
Q.5 Give the detail about partition of ammonia between water and chloroform .
or
(a) Describe the concentration of unknown potassium iodide .
(b) Association of benzoic acid in Naphthalene
Second semester
Analytical Chemistry I
Note: Attempt any two parts from each question .Each question carry equal marks.
Q.1(a) Describe the accuracy and precision distribution of random errors.
(b) Write the sampling technique of gases.
(c)What is the least square methods ?
Q.2 (a)What is the chromatographic solvent ? Write the
principle of chromatography.
(b) Which methods are suitable to preparation of column?
and why?
(c) Write short notes on the following :(Any two)
(i) TLC
(ii) Gas chromatography
(iii) Ion exchange chromatography
Q.3 (a) What is the polarography ?Explain.
(b) write the instrumentation of amperometry .
(c) Explain the electroanalytical technique for particular
object.
Q.4 (a) Which is the best titration process ? Redox or complexo
-metric and why?
(b) What in indicator ? Explain the various types of
indicators.
(c) Write the precipitation and post precipitation process
of homogeneous solution .
Q.5 (a) What is the role CPU in computer system ?
(b) Explain the loops and arrays.
(c) How can you correlate the computer and chemistry ?
Second semester
Inorganic chemistry II
Q.1 Write short notes on the following: (Any two)
(i) General properties of non transition element.
(ii) Structure of boranes
(iii) Pseudohalides
or
(a) Explain the structure of halides of non-transition
elements.Give properties also.
(b)Explain polymorphism in carbon with suitable example .
Q.2 Write short notes on the following :(Any two)
(i) 18 and 16 electron rule
(ii) Ligand hapticity
(iii) Hydrogenation
or
(a) Briefly describe the factor affecting the stability of metal
complexes
(b) Briefly describe the chelate effect with suitable example.
Q.3 Write short notes on the following : (Any two)
(i) Spectral properties of actinides.
(ii) Lanthanide compound as shift reagents .
(iii) Modern method of separation of actinides.
or
(a)Briefly describe the industrial application of lanthanide
and Actinides
(b) Explain the magnetic properties of lanthanide and
actinides
Q.4 Write short notes on the following: (Any two)
(i) Classification of solvents
(ii) Anhydrous sulpharic acid
(iii) Leveling effect
or
(a) Briefly describe the properties of non-aqueous solvents.
(b) Explain the chemistry of liquid ammonia .
Q.5 Write short notes on the following : (Any two)
(i) Radioactive decay
(ii) Fission yield
(iii) Q-value
or
(a) Briefly describe the nuclear-fission and fussion.
(b) Explain chemical effects of nuclear transformation in
various area in climate .
Organic chemistry II
Physical chemistry II
Q.1. (a) Complete the following reaction and write its mechanism and
application :
(b) Write reaction & mechanism of mannich reaction.
nnich reaction.
OR
Write reaction and mechanism of following: (Any two)
(i) Dieckmann Condensation
(ii) Chichibabin reaction
(iii) Benjoin Condensation
(iv) Diels s-Alder Reaction
Q.2. (a What are alkylating agents? explain ith reactions.
(b) Give the mechanism of alkylation reaction in active
methylene compounds.
OR
Explain the following: (Any two)
(i) Hydroboration
(ii) Robinson Annulation
(iii) Acylation of active methyiene compounds
Q.3.(a) Write application of following oxidizing agents.
(i) DDQ
(ii) Chloranil
or
(b) What are the reagent commonly employed for the
oxidation of allylic alcohol to carbonyl group? Discuss
the mechanism involved in it.
OR
Explain the following:
(i) Wolf-kishner reduction.
(ii) Reduction by HCI (Carbonyl compound)
Q4. What do you understand by the term organometallic
compounds? Write the synthetic application of Grignard
reagent.
OR
Write short notes on the following: (Any two)
(i) Reformatnky reaction
(ii) Coupling reaction of organometallic compounds
(iii) Organizinc compounds
Q.5 (a) What do you meanby "Retronynthesis" Explain with example.
(b) What is regioselectivity ?explain with suitable examples.
or
Explain the following: (Any two)
(i) Synthone
(ii) F.G.I.
(iii) Synthetic equivalence.
Q.1. (a) Write a note on photoisomerization.
(b) Explain about photodimerization.
OR
(a) Explain about photo dissociation and pre dissociation.
(b) Explain frank- Condon principle.
Q2. (a) Write designation based on multiplicity rule.
(b) Explain construction of Jablonski diagram.
OR
(a) Explain electronic transition and intensity of absorption band.
(b) Explain photo-physical pathways of excited molecular system.
Q.3. (a) Explain about fluorescence and delayed fluorescence.
(b) Write stern- volmer equation.
OR
(a) Explain quenching by-excimer and exciplex emission.
(b) Write a note on phosphorescence and concentration quenching.
Q4. (a) Explain about different types of cells and electrodes.
(b) Write determination of activity coefficient of an electrolyte.
OR
(a) Discuss Arrhenius theory of electrolytic dissociation and its limitation.
(b) Write a note on alkaline storage batteries.
Q.5. (a) Explain details of steady state approximation.
(b) Write method of determination of order and rate of reactions.
OR
(a)Write a note on E.MF.and uctance
(b) Write the kineties of omplex reaction.
Analytical Chemistry II
Q.1 (a) Calculate the absorption maxima of dienes.
(b) Write the theory and instru mentation of IR
(c) Write short notes: (Any One)
(i) Lambert Beer's Law
(ii) Application of IR
Q.2. (a) Write the instrumentation of NMR.
(b) Explain chemical shift and anisotropic effect.
(c) Write short notes on: (Any One)
(i)Spin-spin coupling
(ii) Application of NMR
Q.3. (a)Write the Principle of mass spectroscopy.
(b) Explain the fragmentation pattern of alkenes.
(c) Explain the melafferty reagents or the formation of different types of ions.
Q4. (a) Write theory and instrumentation of nehlometry.
(b) Write Notes on: Radio chemical Analysis.
(c) Explain Scintillation counter or G.M counter.
05 (a) Write the Principal of A AS
(b) Write Advantages and disadvantages of AAS
(c) Write note on Inductively coupled plasma spectroscopy.