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Question

Considering the below chemical reaction, identity the product “X”:


A
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B
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C
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D
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Solution

The correct option is C

Explanation for correct option:

C

  • The given reaction is the oxidation of 4-methoxy toluene.
  • In the oxidation of toluene benzoic acid is formed.
  • Methoxy group is an activating group, hence unaffected by alkaline KMnO4.
  • KMnO4 is an oxidizing agent which oxidize the methyl group to -COOH group.
  • Hence, the product ‘’X‘’ is 4-methoxy benzoic acid.

Explanation for incorrect option:

A

  • The compound given here is 1-methyl phenol.
  • But, in the oxidation of 4-methoxy toluene the product formed is 4-methoxy benzoic acid.
  • Hence this option is incorrect.

B

  • The compound given here is 4-methoxy benzaldehyde.
  • But, in the oxidation of 4-methoxy toluene the product formed is 4-methoxy benzoic acid.
  • Hence this option is incorrect.

D

  • The compound given here is 4-methoxy benzenemethanol.
  • But, in the oxidation of 4-methoxy toluene the product formed is 4-methoxy benzoic acid.
  • Hence this option is incorrect.

Hence option C is correct, the product formed by oxidation of 4-methoxy toluene is 4-methoxy benzoic acid.


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