Question:
Identify the product X in the following reaction.
Identify the product X in the following reaction.
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Benzoquinone is formed by the oxidation of phenol with strong oxidizing agents like sodium dichromate in sulfuric acid.
Updated On: Feb 4, 2026
- Benzaldehyde
- Salicylic acid
- Benzoquinone
- Benzoic acid
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the reaction.
The reaction involves the oxidation of phenol with sodium dichromate (\(Na_2Cr_2O_7\)) in the presence of sulfuric acid, leading to the formation of benzoquinone. This is a common reaction where phenol undergoes oxidation to produce benzoquinone.
Step 2: Analyzing the options.
(A) Benzaldehyde: Incorrect. Benzaldehyde is not formed in this reaction.
(B) Salicylic acid: Incorrect. Salicylic acid is not produced by this oxidation reaction.
(C) Benzoquinone: Correct — Benzoquinone is the product of the oxidation of phenol with sodium dichromate.
(D) Benzoic acid: Incorrect. Benzoic acid is not the product of this reaction, which involves the formation of a quinone group.
Step 3: Conclusion.
The correct answer is (C) Benzoquinone, as it is the product obtained in this oxidation reaction of phenol.
The reaction involves the oxidation of phenol with sodium dichromate (\(Na_2Cr_2O_7\)) in the presence of sulfuric acid, leading to the formation of benzoquinone. This is a common reaction where phenol undergoes oxidation to produce benzoquinone.
Step 2: Analyzing the options.
(A) Benzaldehyde: Incorrect. Benzaldehyde is not formed in this reaction.
(B) Salicylic acid: Incorrect. Salicylic acid is not produced by this oxidation reaction.
(C) Benzoquinone: Correct — Benzoquinone is the product of the oxidation of phenol with sodium dichromate.
(D) Benzoic acid: Incorrect. Benzoic acid is not the product of this reaction, which involves the formation of a quinone group.
Step 3: Conclusion.
The correct answer is (C) Benzoquinone, as it is the product obtained in this oxidation reaction of phenol.
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