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Pune University - SY BSc (Sem - II) VOC INDUSTRIAL CHEMIST : Paper - I, April 2010

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Total No. of Questions : 4] P511 [Total No. of Pages : 2 [3717]-236 S.Y. B.Sc. (Vocational course) INDUSTRIAL CHEMISTRY VOC-221 : Unit Processes in Organic Industries (Sem. - II)(Paper - I) Time : 2 Hours] [Max. Marks : 40 Instructions : 1) All questions are compulsory. 2) 3) Figures to the right indicate full marks. Draw neat diagrams wherever necessary. Q1) Give balanced equation with conditions for the following. a) Naphthalene Phthalic anhydride. b) Synthesis of benzene sulphonic acid from benzene. c) Acetaldehyde acetic acid. d) Benzene Nitrobenzene. e) Chloroacetic acid Glycine f) Benzene Dodecyl benzene g) M-dinitrobenzene M-nitroaniline h) [16] Ethanol ethyl chloride Q2) Attempt any two of the following. a) Describe commercial production of vinyl acetate. b) Write a orientation effect of nitration of chlorobenzene. c) [8] Describe synthesis of methanol. Q3) Attempt any two of the following. a) How are halogenation reactions classified? b) What is esterification? Write the important uses of esters. c) [8] Describe Friedel Craft's reaction. P.T.O. 1 Q4) Describe liquid phase oxidation of acetaldehyde to prepare acetic acid. [8] OR Write the mechanism of sulphonation and describe the continuous sulphonation of benzene. [3717]-236 -22

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Additional Info : S.Y. B.Sc. Industrial Chemistry (Semister - II), VOC - 221 : Unit Processes in Organic Industries (Paper - I) (New Course) (Vocational), Pune University
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