Chemistry-Paper-4-Important Questions

advertisement
Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-IV
Question Bank
UNIT- 1 (Physico Chemical methods of analysis)
Essay Questions
1)
2)
3)
4)
Explain the procedure of counter current extraction?
Define & explain the experimental procedure of paper chromatography?
Explain the types & applications of paper chromatography?
a) What is chromatography? Briefly explain the classification of
Chromatography. What is principle involved in column chromatography?
5) Define & explain the experimental procedure of TLC. What are Rf values?
6) Explain the types of electronic transitions in the molecules?
7) Explain in detail about Anharomonic motion of real molecules?
8) Define, explain & write the limitations of Beer-Lambert’s Law. Explain the quantitative analysis of Fe (III) with
Thiocyanate spectro photometrically.
9) a) What is spin-spin coupling & splitting of signals in the NMR spectra?
b) Write about Chemical shift in NMR?
10) Derive the equation of pure rotational & vibrational energies of Raman spectra of diatomic molecules?
Short Answer Questions
1) What is the principle involved in HPLC. Write any two applications of it.
2) What is the principle involved in Gas-Liquid chromatography.
3) Explain the procedure of Batch extraction.
4) Explain about the procedure of solvent extraction with example.
5) Write about Finger-print region?
6) Explain the terms absorbance & molar absorptivity?
7) Explain the structure of ethyl bromide, ethanol & acetophenone on the basis of HNMR.
Very Short Answer Questions
1)
2)
3)
4)
5)
6)
7)
8)
9)
Elution.
Rf factor.
Chemical shift.
Coupling constant.
Dipole moment.
Write any two applications of Raman spectroscopy.
Define chromophore with an example.
Write any two adsorbents used in chromatography.
Auxochrome.
UNIT-II (Drugs , Formulations, Pesticides & Green chemistry)
Department of Chemistry, B V R I C E
Page 1
Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-IV
Question Bank
Essay Questions
1) a) Define the term Drug. Explain the classifications of drugs basing on therapeutic activity with
Suitable examples. b) Write about synthesis & therapeutic activity of chloroquine.
2) Give the synthesis & the uses of Ciprofloxacin, L-Dopa.
3) A) Write the synthesis and therapeutic activity Albuterol & Omeprazole.
B) Give the synthesis and uses of Malathion, Parathion & Baygon.
4) Write the synthesis and uses of DDT, BHC, 2, 4-D & Endosulphone.
5) A) Define green chemistry. Explain the basic principles in green chemistry.
B) Explain about 100% atom economy reaction with examples.
Short Answer Questions
1)
2)
3)
4)
5)
6)
7)
8)
9)
What is HIV? What are available drugs for the prevention of AIDS?
Write the structure and therapeutic uses of Sulphamethoxazole.
Write note on paracetamol.
How Penicillin is isolated. Write the different structures of Penicillin.
Write the synthesis of Penicillin.
Write the different types of formulations.
Discuss the brief explanation on plant growth regulators.
Define PTC with suitable examples.
Write Strecker synthesis, Aldol condensation & Dieckmann condensation on the basis of Microwave
ultrasound assisted green synthesis.
10) Write Diel’s alder reaction, Cannizzaro reaction & Williamson synthesis on the basis of Microwave
ultrasound assisted green synthesis.
11) What are pesticides? How they are classified.
Very Short Answer Questions
1)
2)
3)
4)
5)
6)
7)
8)
9)
Write the structure of L-Dopa.
Metabolites and antimetabolites.
Pharmacophore & pharmacology.
Pharmaco kinetics & phamacodynamics.
Function of chloroquine.
Clinical uses of Penicillin.
Insecticides.
Herbicides.
Write two names of Rodenticides.
Department of Chemistry, B V R I C E
Page 2
Padmasri Dr B V Raju Institute of Computer Education
Chemistry Paper-IV
Question Bank
10)
11)
12)
13)
14)
Name any two drugs used in the treatment of AIDS disease.
Biocatalysts.
Pericyclic reactions.
Write the structure & uses of Endrin.
Solid supported synthesis.
UNIT-III (Macro Molecules, Materials science & Catalysis)
Essay Questions
1) What is polymerization? Give the classification of polymers on the basis of structure.
Explain about co-ordination polymerization.
2) Write the preparation and industrial applications of PVC, Polythene, Terylene & Nylon-66.
3) Write the preparation and industrial applications of PAN, Teflon, and Nylon-6.
4) Write about chain and step growth polymerization methods.
5) Discuss the different types of composites.
Give the important applications of Nanomaterials.
6) What is enzyme catalysis? Write the characteristics of enzyme catalysis. Discuss about the factors affecting
enzyme catalysis.
Short Answer Questions
1)
2)
3)
4)
5)
6)
Explain addition polymerization with an example.
Write notes on biodegradable polymers.
Determine the molecular weight of polymers by number average and weight average methods.
Explain the types and applications of superconductors.
Acid – base catalysis.
Catalytic efficiency.
Very Short Answer Questions
1)
2)
3)
4)
5)
6)
7)
8)
Write the uses of PVC.
Write the uses of Nylon-66.
Tacticity .
Superconductivity.
Meissner effect.
Homogenous catalysis.
Heterogeneous catalysis.
Michealis menton equation
Department of Chemistry, B V R I C E
Page 3
Download