Vinegar is a solution of:

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5%- 6% acetic acid in alcohol

5%- 8% acetic acid in alcohol

5%- 8% acetic acid in water

5%- 6% acetic acid in water

answer is C.

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Detailed Solution

Concept- Vinegar is a type of weak acid and the pH value is around 2.6.
An aqueous solution of acetic acid is called vinegar, which contains 5-8% acetic acid.
Other names for vinegar are ethanoic acid or methanecarboxylic acid.
Vinegar’s chemical formula is

In essence, vinegar is an aqueous solution of acetic (ethanoic) acid.The commercial production of acetic acid is done by a double fermentation reaction in which the ethanol is produced by the fermentation of sugars by yeast. Acetic acid is produced as the result of oxidation of ethanol by the acetic acid bacteria.
Hence, the correct option is (3).

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