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Important Organic Acids with their Sources

Important Organic Acids with their Sources – List > GK [PDF]


Organic Acids and Sources

Organic acids and their sources are very important for your upcoming competitive examinations for government jobs such as UPSC, IAS, CGL, SSC, CHSL, MTS, Railway, Banking, etc.

What is acid?

Acids are the compounds that contain one or more hydrogen (H) atom and produce hydronium ions (H3O+) as an only positive ion in the solutions of water. The PH value of acids is less than 7 and turn blue litmus to red.

What is organic acid?

Organic acids are those which obtain mainly from living organisms such as plants. Carbon must be contained in organic acid.

Exception : Carbonic Acid (H2CO3)is not an organic acid though it contains Carbon atom in its molecule.

List of Organic Acids with their Sources and Formula

# Acetic acid :

Source : Vinegar

Formula : CH3COOH

# Citric acid :

Source : Citrus fruits such as lemon, lime, orange, etc.

Formula : C6H8O7

# Butyric Acid :

Source : Rancid butter and milk

Formula : CH3CH2CH2-COOH

# Hydrochloric Acid :

Source : Gastric juice

Formula : HCl

# Formic Acid :

Source : sting of bees and ant.

Formula : HCO2H

# Lactic Acid :

Source : Sour milk

Formula : C2H4OHCOOH

# Maleic Acid :

Source : Apples and Grapes


# Oleic Acid :

Source : Olive Oil

Formula : C18H34O2

# Oxalic Acid :

Source : Tomatoes, Rhubarb, spinach

Formula : H2C2O4

# Stearic Acid :

Source : Fats

Formula : CH3(CH2)16COOH

# Tarteric Acid :

Source : Grapes, tamarinds, pineapples

Formula : C4H6O6

# Uric Acid :

Source : Urin

Formula C5H4N4O3

I hope this post of an organic acid with their source will help you.

*Note : Hydrochloric acid is an Inorganic acid

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Hi, I am SOM, a State Added (WB) Lecturer in Physics at a College, Part-time blogger, and founder of, started blogging since 2015 and still learning.