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Which of the following hydrocarbons undergo addition reactions?

Which of the following hydrocarbons undergo addition reactions?
C₂H₆, C₃H₈, C₃H₆, C₂H₂, and CH₄.
Identify the alkanes, alkenes, and alkynes from the following:
C₂H₆, C₃H₈, C₃H₆, C₂H₂, and CH₄.
The general formula of alkanes is CₙH₂ₙ₊₂. Write the first two alkanes.




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1 Answer

  1. To answer your question, let’s break it down step by step!

    ### 1. Which hydrocarbons undergo addition reactions?

    Addition reactions typically occur with alkenes and alkynes, as these have double or triple bonds that can open up for new atoms or groups.

    From your list:

    C₂H₆ (Ethane): Alkane – does not undergo addition reactions.

    C₃H₈ (Propane): Alkane – does not undergo addition reactions.

    C₃H₆ (Propene): Alkene – does undergo addition reactions.

    C₂H₂ (Ethylene): Alkyne – does undergo addition reactions.

    CH₄ (Methane): Alkane – does not undergo addition reactions.

    So, the hydrocarbons that undergo addition reactions are C₃H₆ (Propene) and C₂H₂ (Acetylene).

    ### 2. Identify the alkanes, alkenes, and alkynes:

    Alkanes: C₂H₆ (Ethane), C₃H₈ (Propane), CH₄ (Methane)

    Alkenes: C₃H₆ (Propene)

    Alkynes: C₂H₂ (Acetylene)

    ### 3. General formula for alkanes:

    The

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