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Which one of the following reactions does NOT give benzene as the product?

  1. A
    Sodium benzoate reacting with sodalime and heat
  2. B
    n-hexane reacting with at
  3. C
    Ethyne reacting with red hot Iron Tube at
  4. D
    Benzene diazonium chloride reacting with and warm

Solution & Step-by-step Explanation

1. Decarboxylation of sodium benzoate with sodalime () produces benzene.2. Aromatization of n-hexane over molybdenum oxides at high temp/pressure produces benzene.3. Cyclic polymerization of ethyne (acetylene) in a red hot iron tube produces benzene.4. Hydrolysis of benzene diazonium chloride with warm water produces phenol, not benzene.

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Which one of the following reactions does NOT give benzene as the product?
A
Sodium benzoate reacting with sodalime and heat
B
n-hexane reacting with at
C
Ethyne reacting with red hot Iron Tube at
D
Benzene diazonium chloride reacting with and warm

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Organic ChemistryPreparation of Benzene

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