Question

Humic substances are composed of:

• A. (A), (B) and (D) only
• B. (A), (B) and (C) only
• C. (A), (B), (C) and (D)
• D. (B), (C) and (D) only

Hint:

Remember that humic substances are chemically diverse and include multiple organic compounds such as phenols and acids.

Answer 1

The Correct Option is C

Humic substances are a complex mixture of many different acids containing phenolic and carboxylic groups. They are composed of phenols, quinones, carboxylic acids, and fatty acids. These components contribute to the chemical properties of humus in soil, aiding in nutrient retention and soil structure.