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Question

Propanone and prop-2-en-1-ol are examples of which type of isomerism?


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Solution

Isomerism:

  • The compounds having the same molecular formula, which differ in at least some physical or chemical properties, are known as isomers and the phenomenon is said to be isomerism.
  • The different types of isomerism are chain isomerism, position isomerism, and functional isomerism.
  • The chain isomerism is due to the arrangement of carbon atoms so the size of the parent chain or the size of the side chain must be different.
  • The position isomerism is due to different locant numbers of functional groups or multiple bonds or side chains along the same parent chain.
  • Functional isomerism is due to the presence of different functional groups.

Propanone and Prop-2-en-1-ol:

  • Propanone is an organic compound that contains three Carbon atoms and one ketone group.
  • The molecular formula of Propanone is C3H6O.
  • The structural formula of Propanone is,

  • Prop-2-en-1-ol is an organic compound that contains three Carbon atoms and one alcohol group.
  • The molecular formula of Prop-2-en-1-ol is C3H6O
  • The structural formula of Prop-2-en-1-ol is CH2=CH-CH2-OH
  • That is, both Propanone and prop-2-en-1-ol are having same molecular formula but different structural formulas.
  • Both Propanone and prop-2-en-1-ol contain different functional groups, that is they are functional isomers.

Therefore, Propanone and prop-2-en-1-ol are examples of functional isomers.


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