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

• A. The intermediate has a negatively charged carbon. It is known as a carbanion. 
• B. The intermediate has a positively charged carbon. It is known as a carbanion. 
• C. The intermediate has a positively charged carbon. It is known as a carbocation. 
• D. The intermediate has a positively charged carbon. It is known as a carbanion. 

Answer: (C)