Which acid is present in vinegar?
- Formic acid
- Acetic acid
- Butyric acid
- Tartaric acid
The Correct Option is B
Solution and Explanation
5-8% aqueous solution of acetic acid is called vinegar.
Vinegar is a dilute solution of acetic acid and is also known as ethanoic acid in water. Acetic acid is formed by the oxidation of ethanol by acetic acid bacteria. In most countries, commercial formation includes a double fermentation where ethanol is formed by fermentation of sugars by yeast.
- Vinegar is commonly available in almost every grocery store in the country.
- Daily uses of Vinegar include cleaning dirt off your laptop, cleaning window blinds, etc.
- A mixture of vinegar and baking soda is an excellent way to clean sink drains, carpets, and piano keys.
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Concepts Used:
Aldehydes, Ketones, and Carboxylic Acids
Aldehydes, Ketones, and Carboxylic Acids are carbonyl compounds that contain a carbon-oxygen double bond. These organic compounds are very important in the field of organic chemistry and also have many industrial applications.
Aldehydes:
Aldehydes are organic compounds that have the functional group -CHO.
Preparation of Aldehydes
Acid chlorides are reduced to aldehydes with hydrogen in the presence of palladium catalyst spread on barium sulfate.
Ketones:
Ketones are organic compounds that have the functional group C=O and the structure R-(C=O)-R’.
Preparation of Ketones
Acid chlorides on reaction with dialkyl cadmium produce ketones. Dialkyl cadmium themselves are prepared from Grignard reagents.
Carboxylic Acid:
Carboxylic acids are organic compounds that contain a (C=O)OH group attached to an R group (where R refers to the remaining part of the molecule).
Preparation of Carboxylic Acids
Primary alcohols are readily oxidized to carboxylic acids with common oxidizing agents such as potassium permanganate in neutral acidic or alkaline media or by potassium dichromate and chromium trioxide in acidic media.