Answer:
[tex] \boxed{ \sf \: 3-propyl-hept-1-yne}[/tex]
Explanation:
To know the name of Alkyne, use IUPAC(International Union of Pure and Applied Chemistry).
According to IUPAC, for the naming of any organic compound containing a triple bond, find the longest chain that contains triple bond & number the chain from the side where triple bond gets lowest number.
in the above diagram, the parent chain cobtains seven carbon atoms with a propyl substituent at 3rd carbon atom. during naming of the compound mention the substituent first along with the position of carbon where is it. Now 7 carbon Atom have prefix (-hept) and Alkyne group is on the first position hence the parent chain would be (hept-1-yne) and substituent (3-propyl).
hence the name of compound is 3-propyl-hept-1-yne
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