Questions: Give the IUPAC name for each compound.

Transcript text: Give the IUPAC name for each compound.

Solution

Solution Steps

Step 1: Identify the longest carbon chain

For compound (a), the longest carbon chain has 5 carbon atoms, which corresponds to pentane.

Step 2: Identify and name the substituents

For compound (a), there is a methyl group (-CH3) attached to the second carbon of the pentane chain.

Step 3: Number the carbon chain

Number the carbon chain from the end nearest to the substituent to give the substituent the lowest possible number. In this case, the methyl group is on the second carbon.

Final Answer

The IUPAC name for compound (a) is 2-methylpentane.

Step 1: Identify the longest carbon chain

For compound (b), the longest carbon chain has 6 carbon atoms, which corresponds to hexane.

Step 2: Identify and name the substituents

For compound (b), there is a methyl group (-CH3) attached to the third carbon of the hexane chain.

Step 3: Number the carbon chain

Number the carbon chain from the end nearest to the substituent to give the substituent the lowest possible number. In this case, the methyl group is on the third carbon.

Final Answer

The IUPAC name for compound (b) is 3-methylhexane.

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