How Do You Name Alkynes

Alkenes and alkynes are named by identifying the longest chain that contains the double or triple bond.The chain is numbered to minimize the numbers assigned to the double or triple bond.The suffix of the compound is “-ene” for an alkene or “-yne” for an alkyne.

How do you name a triple bond?

Triple bonds are named in a similar way using the suffix -yne. The position of the multiple bond(s) within the parent chain is(are) indicated by placing the number(s) of the first carbon of the multiple bond(s) directly in front of the base name.

How do you name alkanes alkenes and alkynes?

For alkanes suffix ‘-ane’ is used, for alkenes, the suffix ‘-ene’ is used and the suffix ‘yne’ is used for alkynes. For example, C2H6 is known as ethane, C2H4 is known as ethene and C2H2 is known as ethyne. The parent chain is numbered such that we reach to the double-bonded or triple bonded carbon atom earliest.