Question

Give an example of isomers shown by triple bond hydrocarbons (alkynes) and write their IUPAC names.

Answer 1

Isomers of Butyne:

Sr. No.	Structure	IUPAC Name
1.	\[\begin{array}{cc} \ce{H}\phantom{...}\ce{H}\phantom{.........}\\ |\phantom{....}|\phantom{.........}\\ \ce{H - C - C - C ≡ C - H}\\ |\phantom{....}|\phantom{.........}\\ \ce{H}\phantom{...}\ce{H}\phantom{.........}\\ \end{array}\]	Butyne
2.	\[\begin{array}{cc} \ce{H}\phantom{...............}\ce{H}\phantom{.}\\ |\phantom{................}|\phantom{.}\\ \ce{H - C^1 - C^2 ≡ C^3 - C^4 - H}\\ |\phantom{................}|\phantom{.}\\ \ce{H}\phantom{...............}\ce{H}\phantom{.}\\ \end{array}\]	But-2-yne