Asked in PMC Practice Test 29 (2021) 2021Moderate

Organic compounds are soluble in:

Correct answer: D. Non-polar solvents

  • A. Polar solvents
  • B. Water
  • C. Ammonium cyanate
  • D. Non-polar solvents

Explanation

Organic compounds are soluble in non-polar solvent. A non-polar solute will be dissolved by a non-polar solvent because the two are attracted to one another, they are attracted towards each other and the bonds binding the molecules of the non-polar solute are broken. A polar solute, on the other hand, is not attracted by the non-polar solvent and so the bonds are not made; thus it is attracted to any polar molecule such as water.

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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.

Practise Fundamental Principles of Organic Chemistry

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