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In alkene the numbering begins from the end nearest to the

Correct answer: A. Numbering starts from the end nearest to the double bond, which is the functional group in alkenes.

  • A. Numbering starts from the end nearest to the double bond, which is the functional group in alkenes.
  • B. Numbering starts from the end nearest to the single bond, which is not the functional group in alkenes.
  • C. Numbering starts from the end nearest to the triple bond, which is not present in alkenes but in alkynes.
  • D. Numbering starts from the end nearest to the hydrogen bond, which is not a functional group in alkenes.

Explanation

When naming alkenes, it is important to start numbering from the end nearest to the double bond, which is the functional group defining the compound. This approach ensures that the compound is correctly identified in terms of its structure and properties. The other options are incorrect because they do not represent the functional group in alkenes or are not relevant to the naming convention of hydrocarbons.

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About Chemistry of Hydrocarbons

Hydrocarbons are studied through the structures and reactions of alkanes, alkenes, alkynes and aromatic compounds. Coverage includes free radical substitution in alkanes, electrophilic addition to carbon-carbon multiple bonds, benzene substitution, aromatic stability and the difference between addition reactions of alkenes and substitution reactions of benzene.

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