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MHT-CET : Chemistry Entrance Exam

MHT - CET : Chemistry - Acids and Esters Know More


  • Origin of Some Carboxylic Acids: The lower members of carboxylic acids are named according to their source of origin in the common system of nomenclature. For example,

 

Acid

Origin

Latin Name

i)

Formic acid (HCOOH)

Red ant

Formica

ii)

Acetic acid (CH3COOH)

Vinegar

Acetum

iii)

Propionic acid (CH3CH2COOH)

First fat

Pro-fat

iv)

Butyric acid (CH3(CH2)2COOH)

Butter

Butyrum

v)

n-Valeric acid (CH3-(CH2)3-COOH)

Root of Valerin plant

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  •  
  • Vinegar: Vinegar gets its name from the French word, vin aigre meaning "sour wine".
    It is used as a preservative in foods, such as pickles.
    It is also used as a mild disinfectant in cleaning and as a flavouring agent in cooking and in salad dressings.
  • Acetic Acid: Acetic acid free of moisture is called as glacial (ice-like) acetic acid.
    Acetic acid is used in the manufacture of various acetate esters like cellulose acetate, vinyl acetate. Cellulose acetate is used to make films, textiles and rayon.
    Vinyl acetate is used in water-based latex paints and in glues for paper and wood.
    Acetic acid is used as a fungicide and organic solvent. It is used in the pharmaceutical industry, for example: Aspirin (acetyl salicylic acid).

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