What is the IUPAC name for the compound CH3CH(CH3)CH2CHO?

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To name the compound CH₃CH(CH₃)CH₂CHO: Step 1: Identify the functional group. The CHO group indicates an aldehyde. The suffix for an aldehyde is "-al". Step 2: Determine the longest carbon chain containing the aldehyde group. Number the carbon atoms starting from the aldehyde carbon (which is always carbon 1). 4CH₃ − 3CH(CH₃) − 2CH₂ − 1CHO The longest continuous chain containing the aldehyde group has 4 carbon atoms. Therefore, the parent name is butanal. Step 3: Identify and locate any substituents. There is a methyl (CH₃) group attached to the third carbon atom of the main chain. Step 4: Combine the substituent name and position with the parent chain name. The name of the compound is 3-methylbutanal. Step 5: Compare with the given options. The calculated name matches option (D). The correct option is (D). D

What is the IUPAC name for the compound CH3CH(CH3)CH2CHO?

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Step-by-step solution

Identify the functional group.

Determine the longest carbon chain containing the aldehyde group.

Identify and locate any substituents.

Combine the substituent name and position with the parent chain name.

Compare with the given options.

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