Question

How would you convert the following compounds into benzene:
(i) Ethyne
(ii) Hexane​

Answer 1

Answer:

(i) Ethene is first converted to ethyne and then to benzene :

(ii) when vapours of hexane are passed over heated catalyst consisting of Cr2O3, Mo2O3 and V2O5at 773K under 10-20 atm pressure, cyclisation and aromatisation occurs simultaneously to afford benzene.

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Answer 2

Ethene is first converted to ethyne and then benzone