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Question 18 of 20. Name the alkyne. Spelling and punctuation count.
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name: 2,7- dimethyl-5- heptyne
♦ Relevant knowledge
Organic compounds with triple bonds are called alkynes. Triple bonds are composed consisting of 2 pi bonds as well as one Sigma bond. The pi bonds arise from the overlap of the p orbitals whereas the sigma bond is a result of the combination of the sp orbitals. It is possible to expect the area in which a triple bond is present to be around 180 degrees in geometrical terms.
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Solution:
The IUPAC name is :
3-propyl-1-heptyne
OR
3-propylhept-1-yne
NOTICE: Numbering starts with triple-bonded carbon.