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How is phthalic anhydride manufactured?(a) Dehydrogenation of ethyl benzene(b) Hydrogenation dehydration of acetophenone(c) Benzene sulphurated process(d) Oxidation of naphthaleneThe question was posed to me during an online interview.The origin of the question is Synthetic Organic Chemical in portion Synthetic Organic Chemical Industries of Chemical Technology

Answer»

Right choice is (d) Oxidation of naphthalene

Easiest EXPLANATION: Naphthalene mixture are melted and vaporized later it undergoes conversion in a FIXED bed converter. Dehydrogenation of ethyl benzene and HYDROGENATION dehydration of acetophenone is USED for the MANUFACTURE of styrene.



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