Which of the following is a hydrocarbon derivative?

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Multiple Choice

Which of the following is a hydrocarbon derivative?

Explanation:
Hydrocarbon derivatives are compounds formed when at least one hydrogen on a hydrocarbon is replaced by another atom or group. This keeps the carbon backbone the same but adds a substituent, changing the compound’s identity and properties. Chloroethane fits this idea because it is ethane with a chlorine atom attached, meaning a hydrogen has been replaced by chlorine. The other options—methane, ethane, and benzene—are hydrocarbons consisting only of carbon and hydrogen without any substituent. Therefore, the chlorine-containing compound is the derivative.

Hydrocarbon derivatives are compounds formed when at least one hydrogen on a hydrocarbon is replaced by another atom or group. This keeps the carbon backbone the same but adds a substituent, changing the compound’s identity and properties.

Chloroethane fits this idea because it is ethane with a chlorine atom attached, meaning a hydrogen has been replaced by chlorine. The other options—methane, ethane, and benzene—are hydrocarbons consisting only of carbon and hydrogen without any substituent. Therefore, the chlorine-containing compound is the derivative.

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