describe-the-intermediate-formed-in-the-addition-reaction-of-hbr-to-cyclopentene

Question

Describe the intermediate formed in the addition reaction of HBr to cyclopentene (an alkene).

Accepted Answer

The intermediate has a positively charged carbon. It is known as a carbocation.

Cyclopentene with a positively charged carbon, representing a carbocation intermediate.

Answer

The intermediate has a negatively charged carbon. It is known as a carbanion.

Cyclopentene with a negatively charged carbon, representing a carbanion intermediate.

Answer

The intermediate has a positively charged carbon. It is known as a carbanion.

Cyclopentene with a positively charged carbon, representing a carbocation intermediate.

Answer

The intermediate has a positively charged carbon. It is known as a carbanion.

Cyclopentene with a negatively charged carbon, representing a carbanion intermediate.