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Questions and Answers
What are the major products formed when cycloalkanes undergo halogenation?
What are the major products formed when cycloalkanes undergo halogenation?
- Monohalogenated cycloalkanes (correct)
- Trihalogenated cycloalkanes
- Polyhalogenated cycloalkanes
- Dihalogenated cycloalkenes
Which reagent is commonly used in the halogenation of cycloalkanes and cycloalkenes?
Which reagent is commonly used in the halogenation of cycloalkanes and cycloalkenes?
- Chlorine gas (Cl2)
- Fluorine gas (F2)
- Iodine crystals (I2)
- Bromine liquid (Br2) (correct)
What role does a solvent typically play in this reaction?
What role does a solvent typically play in this reaction?
- It acts as a catalyst.
- It increases the reaction temperature.
- It provides a medium for the reaction to occur. (correct)
- It acts as a reactant.
How can you confirm the success of the halogenation reaction?
How can you confirm the success of the halogenation reaction?
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Which compound is more reactive towards halogenation: cycloalkane or cycloalkene?
Which compound is more reactive towards halogenation: cycloalkane or cycloalkene?
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What effect does the presence of a double bond in cycloalkenes have on their reactivity towards halogenation compared to cycloalkanes?
What effect does the presence of a double bond in cycloalkenes have on their reactivity towards halogenation compared to cycloalkanes?
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Study Notes
Halogenation of Cycloalkanes and Cycloalkenes
Products of Halogenation
- Cycloalkanes undergo halogenation to form monohalogenated cycloalkanes.
- Cycloalkenes undergo halogenation to form dihalogenated cycloalkenes.
Reagents Used in Halogenation
- Bromine liquid (Br2) is commonly used as a reagent in the halogenation of cycloalkanes and cycloalkenes.
Role of Solvent in Halogenation
- The solvent provides a medium for the reaction to occur.
Confirmation of Halogenation Reaction
- The success of the halogenation reaction can be confirmed by observing a change in color.
Reactivity of Cycloalkanes and Cycloalkenes
- Cycloalkenes are more reactive towards halogenation than cycloalkanes due to the presence of a double bond.
Type of Reaction
- Halogenation is a type of addition reaction.
Effect of Double Bond on Reactivity
- The presence of a double bond in cycloalkenes increases their reactivity towards halogenation compared to cycloalkanes.
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