Questions: Part A Spell out the IUPAC name of the compound.

Transcript text: Part A Spell out the IUPAC name of the compound.

Solution

Solution Steps

Step 1: Find the longest carbon chain containing the double bond

The longest chain in this molecule contains 5 carbons.

Step 2: Number the chain

The chain is numbered from right to left to give the double bond the lowest possible number.

Step 3: Identify substituents

There is one methyl substituent on carbon 2.

Step 4: Name the molecule

The molecule is named 2-methyl-1-pentene. The '1-' denotes the location of the double bond, although this can be omitted according to IUPAC rules and the molecule can also be called 2-methylpentene.

Final Answer: 2-methylpentene or 2-methyl-1-pentene

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