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Q.
The IUPAC name of the following molecule is
WBJEEWBJEE 2014Organic Chemistry – Some Basic Principles and Techniques
Solution:
The longest chain contains $7 C$ -atom, so the root word is hept and suffix -ene is added for double bond along with its position. Since, two methyl groups are also present at $5$ and $6$ positions, so the correct IUPAC name of the compound is $5,6$-dimethylhept-$2$-ene.