Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-III
Question Bank
UNIT-I
INORGANIC CHEMISTRY
Chapter-1 (Co-ordination chemistry)
Essay Questions
1. Explain valency bond theory of co-ordination compounds. Write its limitations. Explain the
geometry and magnetic properties of square planar, octahedral,& tetrahedral complexes.
2. Explain main postulates of crystal field theory. Discuss the splitting of d-orbitals in case of
octahedral, tetrahedral & square planar complexes.
3. Explain the postulates of Werner’s theory and its applications.
4. Explain the phenomenon of geometrical and optical isomerism in co-ordination compounds.
5. Explain the absorption spectrum of (Ti(H2O)6)3+ ion
Explain the determination of composition of a complex by Job’s method.
6. Define stability constant. Explain the factors affecting stability of complexes.
7. Explain the mechanism of ligand substitution reactions of square planar complexes.
Short Answer Questions
1. Write the Sedgwick theory of co-ordination compounds and effective atomic number rule. What
are the defects in Sedgwick theory?
2. Write note on structural isomerism in co-ordination compounds.
3. Explain the determination of composition of a complex by mole-ratio method.
4. Explain SN1 &SN2 reaction mechanism in co-ordination compounds.
5. Explain the applications of HSAB principle.
6. Explain the significance of Zinc ion in biological system.
7. Explain the significance of Na & Cl ions in biological system.
8. Explain the significance of potassium ion in biological system.
9. Discuss the important function of Hemoglobin in biological system.
10. Discuss the important function of chlorophyll in biological system.
11. Explain the procedure of Gouy’s method.
12. Write a note on labile and inert complexes.
Very Short Answer Questions
1. What is ligand? Give two examples.
2. What is EAN rule? Give two examples.
3. What is double salt? Give two examples.
4. What is CFSE? Calculate the CFSE in octahedral complexes?
5. Write the geometrical isomers of co-ordination no-6.
6. Write the IUPAC nomenclature of following complexes.
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Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-III
Question Bank
a. K4(Fe(CN)6) b. (Cr(en)3)Cl3 c.(Co(NH3)5H2O)Cl3 d. (PtCl2(NH3)2)
7. Write formula of the following complexes.
a. Sodium bisoxalato diaquo manganate (II)
b. Dibromo diaquo diamine cobalt (III) chloride.
c. Ammonium tetrathiocyno ferrate(II)
UNIT-II ORGANIC CHEMISTRY
LESSON-1 (Nitrogen compounds)
Essay Questions
1. What are amines? How they are prepared. How can u separate primary, secondary, tertiary
amines by Hinsberg’s method?
2. Write a note on the following a. Michael reaction b. Mannich reaction c. Nef reaction
Short Answer Questions
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Write the mechanism of Hoffmann’s bromide reaction.
Explain the mechanism of nitration of benzene.
Reduction of aliphatic & aromatic nitroalkanes.
How can you distinguish 10, 20, 30 nitroalkanes by victormeyer’s test?
Explain the basic character of amines.
Preparation of amines by Gabriel phthalimide, curtius reactions.
Difference between cyanides and isocyanides.
What is diazotization? Give their mechanism.
Very Short Answer Questions
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What is carbylamines reaction?
Schmidt reaction
Oxidation of amines
Sand Mayer reaction
Coupling reaction
Methylamine is more basic than aniline why?
PTC
Secondary amine is more basic than tertiary and primary. Why?
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Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-III
Question Bank
LESSON-2 (HETEROCYCLIC COMPOUNDS)
Essay Questions
1. Explain the aromaticity of furan, pyrrole, & thiophene.
2. Write preparations & properties of furan, pyrrole, & thiophene?
3. Write structure, preparations & properties of pyridine?
Short Answer Questions
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4.
Explain the aromaticity of pyridine.
Write the acidic character of pyrrole.
Write the basic character of pyrrole.
Electrophilic substitution takes place at 2 or 5 position in heterocyclic compounds explain.
Very Short Answer Questions
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Chichibabin reaction.
Pyridine is more basic than pyrrole. Why?
Furan undergoes Diel’s alder reaction. Why?
What are heterocyclic compounds? Give two examples.
LESSON-3 (CARBOHYDRATES)
Essay Questions
1. Discuss the structure of glucose.
2. Discuss the structure of fructose.
Short Answer Questions
1. How do you convert glucose to fructose?
2. How do you convert fructose to glucose?
3. How do you convert glucose to mannose?
4. How do you convert arabinose to glucose by kiliani’s synthesis?
5. How do you convert glucose to arabinose by wohl’s method?
6. How do you convert glucose to arabinose by Ruff’’s method?
7. Write a note on muta rotation.
8. Classify carbohydrates.
9. Determine the size of the ring in glucose.
10. Lobry-debruyn-van ekenstein rearrangement.
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Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-III
Question Bank
Very Short Answer Questions
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What are carbohydrates?
What is Enentiomer?
What is Epimer?
What is Anomer?
LESSON-4 (AMINO ACIDS)
Short Answer Questions
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7.
Write the general methods of preparation of alpha Aminoacids.
Write any 3 of its chemical properties of alpha Aminoacids.
Write a note on Zwitter ion & isoelectric point.
Classification of Aminoacids.
Write a note on proteins.
Write a note on peptides.
Synthesis of polypeptides.
LESSON-5 (MASS SPECTROSCOPY).
Short Answer Questions
1. Explain the principle involved in mass spectrometry
2. Determination of mass spectra of Ethylbenzene, Acetophenone, n -butyl amine & 1-propanol
Very Short Answer Questions
1. Base peak
UNIT-III PHYSICAL CHEMISTRY
LESSON-1 (CHEMICAL KINETICS)
Essay Questions
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5.
Derive an expression for the rate constant of a first order reaction. Write its characteristics
Derive an expression for the rate constant of second order reactions. Write its characteristics
Explain the theories of reaction rates
Define order of reaction. Discuss important methods used in determining the order of reaction
Explain the effect of temperature on the rate of reaction
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Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-III
Question Bank
Short Answer Questions
1. Discuss the factors influencing the rate of reaction.
2. Derive an expression for the rate constant of third order reactions.
Very Short Answer Questions
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Molecularity
Activation energy
Half life period
Zero order reaction.
Units of 1st and 2nd order reactions
Rate constant
Examples of first order, second order reactions
What are pseudo uni molecular reactions, give an example
LESSON-2 (PHOTOCHEMISTRY):
Essay Questions
1. State and explain quantum yield. Explain the high and low quantum yield with examples.
2. Write a note on jablonski diagram
Short Answer Questions
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Explain the laws of photochemistry
Write a note on photosensitization?
Write a note on chemiluminiscence
Explain phosphorescence with an example
Explain fluorescence with an example
Differences between thermal & photochemical process.
Very Short Answer Questions
1. ISC & IC
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Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-III
Question Bank
LESSON-3 (THERMODYNAMICS):
Essay Questions
1. Explain the the efficiency of heat engine by carnot’s theorem
2. A.Derive kirchoff’s equation.
B. Give the various definitions fr the first law of thermodynamics. Define Cp &Cv & derive relation
between them
3. What is joule Thomson effect and explain.
4. Derive an expression for the workdone in an adiabatic expansion along a reversible and
irreversible path.
5. Define second law of thermodynamics in its various forms. Derive PV= constant in adiabatic
process
Short Answer Questions
1. Explain the terms internal energy, enthalpy, entropy.
2. Derive Gibb’s – Helmholtz equation.
3. Explain the tems revesible and irreversible process.
Very Short Answer Questions
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7.
Define heat of compression.
State carnots theorem.
Write and explain terms involved in Gibb’s – Helmholtz equation
State first law of thermodynamics and give its mathematical expression.
Molar heat capacity.
Entropy
Intensive and extensive properties.
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