5 Questions
What type of bond conversion occurs in the exothermic reaction of alkenes with hydrogen halides?
One p and one s bond are converted to two s bonds
What is the source of electron density in alkenes that makes them nucleophilic?
P electrons of the double bond
What type of addition occurs when alkenes react with hydrogen halides to form a carbocation?
Markovnikov addition
What type of addition occurs when water is added to alkenes in an anti-Markovnikov manner?
Anti-Markovnikov addition
What type of addition occurs when bromine and chlorine are added to alkenes to form trans products?
Syn addition
Study Notes
Alkene Reactions
- Electrophilic addition occurs in the exothermic reaction of alkenes with hydrogen halides, involving a bond conversion.
- The source of electron density in alkenes, making them nucleophilic, is the pi (π) bond.
- In the reaction of alkenes with hydrogen halides, a carbocation is formed through an electrophilic addition, which is an example of Markovnikov addition.
- Anti-Markovnikov addition occurs when water is added to alkenes, resulting in a product with a different orientation.
- When bromine and chlorine are added to alkenes, they form trans products through an electrophilic addition, resulting in a stereospecific outcome.
Test your understanding of addition reactions to alkenes and alkynes in this quiz. Explore the exothermic nature of the reactions and how double bond electrons act as nucleophiles. Practice identifying the formation of carbocations when alkenes react with electrophiles like hydrogen halides.
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