8/2/2019 12127 - Technology of Organic Chemistry

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Scheme-E

Sample Question Paper

Course Name : Chemical Engineering Group

Course Code : CH

Semester : Fourth

Subject Title : Technology of Organic Chemistry

Time : 3 Hrs Max. Marks: 100

Instructions:

1] All questions are compulsory.

2] Illustrate your answer with neat sketches wherever necessary.

3] Figures to the right indicate full marks.

4] Assume Suitable data if necessary.

5] Preferably, write the answers in sequential order.

Q.1 A) Attempt any SIX of the following: 12 Marks

a. Write names of any two pigments used in paint.b. Write names of any two processes used for the manufacturing of pulp.c. State any four uses of PVC.d. What is the use of dryer in paint?e. What are the drawbacks which restrict growth of rayon industry?f. Write name of catalyst used for hydrogenation of edible oil.g. State any two uses of polyethylene.h. Which by product of sugar factory is used as raw material for alcohol production?

Q.1 B) Attempt any TWO of the following: 08 Marks

a. State any four uses of a) Acetic acid b) Ethyl acetateb. Define saponification value and Iodine numberc. Write reaction to convert cumene into phenol.

Q.2 Attempt any FOUR of the following: 16 Marksa. Write names of any four constituents of paint with their applications.b. Draw process flow diagram for the production of phenol by cumene oxidation

process.

c. Write a reaction involved in Dacron-Mylar polyester.d. What are the different operation zones in paper manufacturing? Write percentage

moisture content in each zone.

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e. Draw neat flow sheet for manufacturing of Butanol.f. Write reaction involved in polystyrene manicuring. What are temperature and

pressure conditions are required for the reactions?

Q.3 Attempt any FOUR of the following: 16 Marksa. What are the various requisites of any cellulose raw material for the pulp

manufacturing?

b. Write name of the catalyst used in Ziegler process for manufacturingpolyethylene. Why water is added in flash drum?

c. Write a reaction for the production of alkyl aryl sulfonates.d. Write a unit operation in manufacturing and method of drying for the Varnishes

and Lacquers.

e. Explain cleansing action of soap with neat sketch of miscella.Q.4 Attempt any FOUR of the following: 16 Marks

a. Why extraction process is giving more yield of oil than mechanical process?Which solvent is used for extraction process?

b. Draw neat flow diagram for the manufacturing of butanol.c. How industrial paint is useful for the protection of structures from corrosion?d. Draw neat flow diagram for the production of Hydrogenated oil.e. Differentiate two types of plastics with their uses.f. Write four types of papers with their uses.

Q.5 Attempt any TWO of the following: 16 Marks

a. Explain the production of alcohol by corn with neat flow diagram.b. Explain the raschig process for the production of phenol with neat flow diagram.c. Explain the manufacturing process of PVC with neat flow diagram.

Q.6 Attempt any TWO of the following: 16 Marks

a. How phenol is produced by toluene oxidation process? Draw neat flow diagram.b. Explain the Ziegler process for the manufacturing of polyethylene. Draw neat

flow diagram.

c. How solvent used in extraction process can be recovered for recycling? Whysafety is required more attention in solvent extraction and oil hydrogenation plant?