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Alkene and Alkyne Addition Reactions Quiz

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Alkene and Alkyne Addition Reactions Quiz

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Questions and Answers

What type of bond conversion occurs in the exothermic reaction of alkenes with hydrogen halides?

Two p bonds are converted to one s and one d bond

One s and one d bond are converted to two p bonds

One p and one s bond are converted to two s bonds (correct)

Two s bonds are converted to one p and one d bond

What is the source of electron density in alkenes that makes them nucleophilic?

P electrons of the double bond (correct)

S electrons of the double bond

D electrons of the double bond

P electrons of the single bond

What type of addition occurs when alkenes react with hydrogen halides to form a carbocation?

Unsymmetrical addition

Anti-Markovnikov addition

Syn addition

Markovnikov addition (correct)

What type of addition occurs when water is added to alkenes in an anti-Markovnikov manner?

<p>Anti-Markovnikov addition</p> Signup and view all the answers

What type of addition occurs when bromine and chlorine are added to alkenes to form trans products?

<p>Syn addition</p> Signup and view all the answers

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.

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Description

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.