Question

how does benzaldehyde converted to styrene with mechanism​

Answer 1

Answer:

An ethyl group (R) is electrophilically added to the benzene ring from chloroethane with the help of an iron chloride catalyst. The product is ethylbenzene.

2. Catalytic dehydrogenation of ethylbenzene in the gas phase in the presence of hot steam over a heterogenous iron(III) oxide catalyst bed. The product is styrene.

Explanation:

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Answer 2

Answer:

Co-containing hydroxides have been successfully synthesized by the co-precipitation of starting-metal salts. The obtained materials were characterized by some physical means including XRD, EDS, BET… It is found that Co2+ ions are present in the layered double hydroxide (LDH) sheets. The presence of cobalt ions in LDH plays as active sites for the oxidation of styrene with air. The catalysts exhibited a very high activity in the conversion of styrene into two main products (benzaldehyde and styrene oxide). The highest styrene conversion is about 90-95% and the total selectivity to benzaldehyde and styrene oxide is in the range of 80-85% under reported experimental conditions.