Rajiv Gandhi Proudyogiki Vishwavidyalaya 2009-3rd Sem B.E Chemical Engineering (ester) chemical engg - Question Paper

B.E. 3rd Semester exam feb 2010
CHEMICAL ENGG BRANCH
ADVANCED ENGINNERING CHEMISTRY

1.(a) What is homolytic bond fission?
(b)Explain biomolecular and unimolecular substituton reactino with suitable examples.
or
(a)How carboniums are formed?
(b) discuss the reaction of carbonium with;
1. Addition of alkenes
2. Stablity of carbonium
3. LOSS OF PROTON

2.(a) define the significance of oplymers in industries.
(b) discuss prepration ,oprperties and uses of styrene.
or
(a) How is vinyl alcohal convertedinto aldehydes?
(b)Discuss in breif
1. PVC
2. Vinyl chloride
3(a)What is order of reaction?
(b)Describe any 1 methd of determination of orde of reaction.
or
(a) define the function of catalyst.
(b)Explain in bref
1.Pseudo order
2.Enzyme catalysis
3.Molecularity
4. define Debye-Huckel theory for strng electorlyse.give is merits and demerits also.
or
define the phase diagfram of lead silver system with important features.
5 (a)How fats and oils are extracted by solvent process and refined?
(b) define process of formation and uses of detergents
or
(a) How can you differentiate bathing and laundry soaps?
(b)Why do we blend oils and fats in soap manufacturing?

Earning:   Approval pending.