Question

Describe the following conversions that can be brought about:
1. Ethyl benzene to benzoic acid
2. Bromobenzene to benzoic acid.​

Answer 1

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1. Ethyl benzene to benzoic acid:-

We are given to convert ethylbenzene to benzoic acid. For this conversion, we do the direct oxidation of ethyl benzne with the help of alkaline potassium permanganate or acidified potassium chromate . This results to the formation of benzoic acid.

2. Bromobenzene to benzoic acid:-

Bromobenzene to benzoic acid we known method is prepared Grignard reagent of bromobenzene followed by quenching in carbon dioxide and then acidification gives benzoic acid. cyanation using KCN or Zn(CN)2 followed by hydrolysis also one of the good methods.

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Answer 2

Explanation:

1. Ethyl benzene to benzoic acid:-

We are given to convert ethylbenzene to benzoic acid. For this conversion, we do the direct oxidation of ethyl benzne with the help of alkaline potassium permanganate or acidified potassium chromate . This results to the formation of benzoic acid.

2. Bromobenzene to benzoic acid:-

Bromobenzene to benzoic acid we known method is prepared Grignard reagent of bromobenzene followed by quenching in carbon dioxide and then acidification gives benzoic acid. cyanation using KCN or Zn(CN)2 followed by hydrolysis also one of the good methods

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