Code No: 210853 II B.Tech. I-Semester Supplementary Examinations, November-2003 ORGANIC CHEMISTRY (Chemical Engineering) Time: 3 hours Max. Marks: 70 Answer any FIVE questions All questions carry equal marks ---
Explain the following applications of Inductive effect (i) Effect of bond lengths (ii) Dipole moment (iii) reactivity of alkyl halide. Discuss the strength of carboxylic acid based upon Inductive effect. Write a detailed note on Perkin reaction with mechanism.
3. a) b)
Discuss the synthetic use of Sandmeyer’s reaction with mechanism. What is Fries migration? Write reaction mechanism of Fries migration.
4. a)
Give an account of isomerism exhibited by lactic acid. What is meant by Resolution? Describe a method for resolution of mixture of optically active acids.
5. a)
b)
Which of the following compounds exhibit geometrical isomerism? i) Propylene ii) 1- Butene iii) 2- Butene iv) isobutylene Describe a method to determine the configuration of geometrical isomens.
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b)
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2.
How will you elucidate the open chain aldehydic structure of glucose?
7. a) b)
How will you prepare Thiophene? What are its chief uses? What will happen when Quinoline and Isoquinoline are treated with alkaline KMnO4 solution?
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6.
Explain what are: (a) Direct dyes (b) Mordant dyes (c) Vat dyes. (d) Ingrain dyes with examples.
210853 II B.Tech. I-Semester Supplementary ... Accounts
7. a) How will you prepare Thiophene? What are its chief uses? b) What will happen when Quinoline and Isoquinoline are treated with · alkaline KMnO4 solution ...
Code No: 210853. II-B.Tech. I-Semester Supplementary ... b) How is Quinoline obtained by Skraup synthesis? 8.a) What are dyes? b) How they are classified?
ORGANIC CHEMISTRY · (Chemical Engineering) ... b) Describe a method to determine the optical activity of an organic compound. 5. a) What is geometrican ...
4.a) Write the stereochemical formulae and point out the chiral carbon of the · following compounds · (i) Lactic acid · (ii) 3-methylhexane (iii) 2- methyl-1- butanol.
7.a) What is non-destructive testing of materials? What are the aims of NDT? List out · various NDT methods. b) Explain in detail the X-ray radiography method.
Make a survey of petroleum reserves in the world and compare them with the · reserves available in India. Discuss the various exploration methods for finding.
1.a) Draw a neat sketch of optical microscope and the trace of rays through the optical · system from the ... c) Explain the term resolving power of a microscope.
Code No: 320554. III-B.Tech. II-Semester Supplementary Examinations, April/May-2004 · LANGUAGE PROCESSORS · (Common to Computer Science and Engineering and Computer Science and · Information Technology) · Time: 3 Hours · Max. Marks: 70 · Answer any F
represented by three entity sets like AIRPORT,AIRPLANE and FLIGHT. Assume suitable attributes for each entity. 3.a) Differentiate between BCNF and 3NF.
(a) What is congruent melting alloy? Does eutectic alloy come under the above class? (b) Explain miscibility gap. (c) Discuss the coordinates of a phase diagram ...
(a) Job order production and batch production system. (b) Mass production and flow production. [4+4+4+4] · 7. DefineâCritical pathâ, âslack timeâand âDummy ...
(c) Explain sign conventions of heat and work in thermodynamics. [5+5+6] · 3. (a) State and explain second law of thermodynamics. (b) Define and explain ...
b=4.318 cm is fed by a 4 GHz carrier from a coaxial cable. Determine if a · TE10 mode will be propagated. If so calculate the phase velocity and group · velocity.
(b) One bag contains 4 White balls and 3 black balls and a second bag contains 3 ... [8+8] · 3. (a) The amount of bread ( in hundreds of pounds) X that a certain ...
(c) An amplifier with voltage gain of 60 decibels uses 0.05 of its output voltage in · negative feedback. Calculate the gain of the feedback amplifier. [6+6+4].
Determine the length of the wire needed if the diameter · of the wire is 0.25 mm. Assuming that the temperature coefficient of resis- · tance of the wire is constant, ...
(b) Draw the block schematic of 4x1 MUX and give its truth table. [6] · 6. (a) Design a full adder with minimum number of NAND gates. [8] · (b) Draw the logic ...
8. (a) Enumerate various mechanical and diffusion properties of cartilage with ex- · amples? [8] · (b) Write briefly about âlubricationâ of joints? [8] · *****. 1 of 1.
Lithium aluminium hydride · b) Pyrrole undergoes Electrophilic substitution reactions primarily at C-2 position. Explain. c) With suitable chemical equations, ...
Cryopreservation · b) · IMVIC tests. [15] · 5. Describe the characteristic features of exotoxins & discuss the mechanisms by which · exotoxins can damage cells.
starter, (iii) Auto transformer starter limiting the supply line starting current to · twice the full-load value. Find the auto-transformer tapping in this case. - - -.
