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प्रश्न
Suggest a route for the preparation of nitrobenzene starting from acetylene?
उत्तर
Acetylene when passed through red hot iron tube at 500°C undergoes cyclic polymerisation to give benzene which upon nitration gives nitrobenzene.
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संबंधित प्रश्न
How will you convert benzene into p-nitrobromobenzene?
How would you convert the following compound into benzene?
Ethyne
How would you convert the following compound into benzene?
Ethene
How would you convert the following compound into benzene?
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What will be the product obtained as a result of the following reaction and why?
Match the following reactants in Column I with the corresponding reaction products in Column II.
| Column I | Column II |
| (i) \[\ce{Benzene + Cl2 ->[AlCl3]}\] | (a) Benzoic acid |
| (ii) \[\ce{Benzene + CH3Cl ->[AlCl3]}\] | (b) Methyl phenyl ketone |
| (iii) \[\ce{Benzene + CH3COCl ->[AlCl3]}\] | (c) Toluene |
| (iv) \[\ce{Toluene ->[KMnO4/NaOH]}\] | (d) Chlorobenzene |
| (e) Benzene hexachloride |
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Preparation of benzene from phenol is:
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