Which prefix corresponds to the alkyl group CH3?

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Multiple Choice

Which prefix corresponds to the alkyl group CH3?

Explanation:
In naming alkyl substituents, the prefix reflects how many carbon atoms are in the group. A substituent with a single carbon, CH3, is the methyl group. It’s the smallest alkyl substituent and is written as -CH3 or as methyl- when used as a substituent. Ethyl and propyl correspond to two and three carbons, respectively (CH3-CH2- as ethyl, CH3-CH2-CH2- as propyl). Bromo is a halogen substituent, not an alkyl group. So CH3 maps to methyl.

In naming alkyl substituents, the prefix reflects how many carbon atoms are in the group. A substituent with a single carbon, CH3, is the methyl group. It’s the smallest alkyl substituent and is written as -CH3 or as methyl- when used as a substituent. Ethyl and propyl correspond to two and three carbons, respectively (CH3-CH2- as ethyl, CH3-CH2-CH2- as propyl). Bromo is a halogen substituent, not an alkyl group. So CH3 maps to methyl.

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