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Question

Toluene on reaction with chromyl chloride in presence of CS2 followed by hydrolysis gives


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Solution

Reaction of Toluene with Chromyl Chloride :

  • Chromyl Chloride CrO2Cl2 is an inorganic compound.
  • Toluene being a cyclic organic compound has a chemical formula of C7H8.
  • The structure of toluene is as shown,

  • When toluene reacts with Chromyl Chloride in the presence of Carbon Disulfide CS2, it forms a Brown Chromium complex which on hydrolysis gives Benzaldehyde C7H6O.

Formation of Benzaldehyde :

  • The formation of Benzaldehyde is shown below.

  • Benzaldehyde is also a cyclic hydrocarbon with an aldehyde group attached along with the benzene ring.

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