Which one of the following statement is correct for urea ?
Correct answer: A. it is a synthetic fertilizer
- A. it is a synthetic fertilizer
- B. it is a natural fertilizer
- C. it provides micronutrients to the plants
- D. it is an inorganic water soluble compound
Explanation
Urea is manufactured industrially from ammonia and carbon dioxide, so it is a synthetic fertilizer. It is an organic, nitrogen-containing compound and supplies a macronutrient, nitrogen, rather than micronutrients. Students may choose “inorganic water-soluble compound” because urea is a fertilizer salt-like solid, but its carbon-containing structure makes it organic.
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About Classification of Organic Compounds
Organic compounds are classified by carbon skeleton into open-chain, branched-chain and cyclic compounds, including homocyclic and heterocyclic types. The classification also uses functional groups to distinguish hydrocarbons, halo compounds, alcohols, aldehydes, ketones, carboxylic acids and their derivatives, which is different from naming compounds by IUPAC rules.
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