Which of the Following Statements Is/are True of Reactions of Alkenes

question 80

Multiple Choice

Which of the following statements is/are true of reactions of alkenes and alkynes?
1. As alkenes and alkynes are unsaturated hydrocarbons, their most important reactions are addition reactions.
2. In the reactions involving alkenes and alkynes, π bonds, which are weaker than the C-C σ bonds, are broken, and new σ bonds are formed to the atoms being added.
3. Halogenation of alkenes and alkynes involves addition of halogen atoms.

• A) ​1 only
• B) ​2 only
• C) ​3 only
• D) ​1, 2, and 3
• E) ​2 and 3

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