Questions: Give the CORRECT IUPAC name for cyclopentane dimethyl methylcyclopentane 1,2-dimethylcyclopentane 3,4-dimethylbutane none of these

Give the CORRECT IUPAC name for cyclopentane dimethyl methylcyclopentane 1,2-dimethylcyclopentane 3,4-dimethylbutane none of these
Transcript text: Give the CORRECT IUPAC name for cyclopentane dimethyl methylcyclopentane 1,2-dimethylcyclopentane 3,4-dimethylbutane none of these
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Solution

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Solution Steps

Step 1: Identify the parent chain

The parent chain is a five-membered ring, which is called cyclopentane.

Step 2: Identify and number the substituents

There are two methyl substituents attached to the ring. Numbering the ring starting from one of the substituted carbons and going in the direction that gives the lowest numbers to the substituents results in positions 1 and 2.

Step 3: Combine the name of the parent chain and substituents

The IUPAC name starts with the substituents in alphabetical order and their corresponding numbers, followed by the parent chain name. Since there are two methyl substituents, we use the prefix "di" before methyl. The name is 1,2-dimethylcyclopentane.

Final Answer: The correct IUPAC name is 1,2-dimethylcyclopentane.

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