Download Degree 3rd Year-2013 Paper-3 Question Bank UNIT – I Chapter

Degree 3rd Year-2013
Paper-3 Question Bank
UNIT – I
Chapter-1 Coordination Chemistry
1. Discuss the crystal field splitting of square planar complexes.
2. Discuss splitting of octahedral and tetrahedral complexes.
3. What is effective atomic number? Calculate the EAN of the
i) [Fe(CN)6]-3
ii) [Co(NH3)Cl]Cl2
4. Discuss the Werner’s Theory of Coordination compounds.
5. Sketch the isomers of [Co(en)2Cl2]+. Indicate which isomer exhibits isomerism.
6. Discuss ionization, coordination isomerism with example.
7. Describe the main features of valence bond theory and apply it to [Co(NH3)6]+3 and
[Zn(NH3)4]+2
Chapter-2 Spectral and magnetic properties
1. Explain why d-block elements exhibit the following properties with reason: Color and
Spectral behavior, Magnetic behavior.
2. Write a short note on spectrochemical series.
3. Give the spectra of [Ti(H2O)6]+3.Explain.
Chapter-3 Reactivity of metalcomplexes
1. Explain the terms Labile complexes and Inert complexes. What are the factors which
effect the lability of a complex.
2. What are the substitution reactions? Explain the SN1 and SN2 mechanism of complex
compounds.
3. What is trans effect?
Chapter-4 Stability of metalcomplexes
1. Explain Job’s method to determine the composition of a complex.
2. What is stability constant? Discuss any three factors that influence the stability of the
complexes.
Chapter-5 Hard and Soft Acid and Bases
1. Write about Pearson’s HSAB principle with suitable examples. Explain any two
applications of HSAB principle.
Chapter-6 Bio-inorganic Chemistry
1. What are toxic metals? Explain the three toxic effects of mercury and lead.
UNIT – II
Chapter-1 Nitrohydrocarbons
1. What is nitration? Discuss mechanism of nitration.
2. Write a note on mannich reaction and Nef reaction.
3. Give the reactions to distinguish between primary, secondary and tertiary nitroalkanes.
Chapter-2 Amines, Cyanides and Isocyanides
1. Discuss Hoffmann’s bromamide reaction.
2. Discuss i) Carbylamine reaction ii) Sandmeyer’s reaction
3. Arrange the following compounds in increasing order of basicities and justify your
answer: Aniline, N-methylaniline, Ammonia. Methylamine
4. What is mechanism of diazotization and coupling of amines.
5. How cyanides and Isocyanides prepared? What happen when they are treated with hot
dilute acid and H2 in the presence of Ni.
6. Describe the separation of primary, secondary and tertiary amines.
Chapter-3 Heterocyclic compounds
1. Discuss Reimer Tiemann reaction of Pyrrole and Chichibabin reaction.
2. Explain aromatic character of pyrrole , furan and thiophene.
Chapter-4 Carbohydrates
1. Discuss the ring structure of D-glucose.
2. Define epimers and anomers. Give example.
3. Formulate the reactions involved in glucosazone formation.
4. How are following conversations brought about: Aldopentose to Aldohexose,
Aldohexose to Aldopentose
5. Write a note on mutarotation and osazone formation.
6. Write note on Killani’s synthesis and Ruff’s degradation.
7. What are carbohydrates? How are they classified?
Chapter-5 Aminoacids and Protiens
1. How are amino acids synthesized by Srecker’s synthesis and Gabriel method?
2. Write a note on Zwitter ion structure and isoelectronic point.
Chapter-6 Mass spectroscopy
1. Write a brief account on molecular ion and the parent ion.
2. Write a note on Mclafferty rearrangement.
3. What do you understand by metastable ions or peaks? How these are recognized in the
mass spectrum and what is their importance.
UNIT – III
Chapter-1 Chemical kinetics
1. Define order of reaction. Derive an expression for the rate constant of a first order
reaction.
2. A first order reaction is 20% completed in 50 seconds. How much time is taken for
completion of 60% of the reaction?
3. Explain zero order reaction with one example.
4. Explain the effect of temperature on reaction rates with the help of Arrhenius equation.
5. Distinguish between Threshold energy and activation energy.
6. Discuss two methods in determination of the order of the reaction.
7. What is pseudo first order reaction? Explain with suitable example.
Chapter-2 Photochemistry
1.
2.
3.
4.
Write a note on fluorescence and phosphorescence.
State and explain Stark-Einstein’s law of photochemistry equivalence.
Calculate the energy in ergs per one quantum of wavelength 600nm.
What is meant by Quantum yield? Discuss photochemical reaction between H2 and Cl2.
Chapter-3 Thermodynamics-I and II
1. State Carnot’s theorem and with the help of Carnot’s cycle, derive the expression for the
efficiency of a reversible engine working between the temperatures T1 and T2.
2. Derive an expression for the work done during an isothermal reversible expansion of an
ideal gas. Calculate the maximum work done by 5 moles of an ideal gas when it expands
from 5 atm to 2atm at a constant temp of 27oC.
3. State first law of thermodynamics in its various forms. Write the mathematical statement
of the law.
4. Define the terms Cp and Cv and show that for an ideal gas Cp-Cv=R.
5. What is Gibb’s and Helmoltz free energy? How does it help in predicting the spontaneity
of a reaction?
6. State the second law of thermodynamics. Calculate the efficiency of a steam engine
operating between 4000C and 500 C.
7. Derive Kirchoff’s equation.