Exam 8: Reactions of Alkenes and Alkynes

The reaction conditions to carry out the production of cyclopentene using bromocyclopentane as the starting material would be:

What type of reaction mechanism is involved in the reaction of an alcohol with aqueous acid to give an alkene?

Instructions: For each reaction below,suggest structures for alkenes that give the indicated reaction products.There may be more than one answer. -Suggest structure(s):

What type of reaction mechanism accounts for the reaction of an alkene with HBr to give an alkyl bromide?

What is the major organic product obtained from the following reaction?

What is the major product of this reaction?

What is the best choice of reagents to perform the following transformation?

Complete the following reaction

Draw all the isomeric products formed from the addition of HCl to the following compound.

Instructions: Predict the products of each reaction below.Indicate regiochemistry and stereochemistry when relevant. Predict and indicate:

On the structures provided,draw arrows showing the electron flow in the reaction mechanism for the electrophilic addition of hydrogen bromide to hex-1-yne.

What is the best choice of reagents to perform the following transformation?

What is the major organic product obtained from the following reaction?

Instructions: Predict the products of each reaction below.Indicate regiochemistry and stereochemistry when relevant. Predict and indicate: a) b) If the product of the above reaction were subsequently treated with periodic acid (HIO4), write the formula for the product formed.

Instructions: The reaction of 2-methylpropene with HBr in ether gives one of the two products below.Answer the following question(s)about this reaction. -Refer to instructions. The reaction mixture would contain a majority of which isomeric product?

Draw the structure of the monomer used to prepare the polymer shown below.

Compare the products when the following compound reacts with Br₂ in the presence of an organic solvent versus water.

Circle whichever of the following would be classified as a conjugated diene.

Instructions: The reaction of 2-methylpropene with HBr in ether gives one of the two products below.Answer the following question(s)about this reaction. -Refer to instructions.Which product is the Markovnikov product?

Predict the major product of the following reaction.