Question

Identify the IUPAC names of isomeric forms of pentyne from the given choices.

• A. A is n-pentyne & B is 1-pentyne
• B. A is 1-pentyne & B is 2-pentyne
• C. A is 1-pentyne & B is n-pentyne
• D. A is n-pentyne & B is 2-pentyne

Answer 1

The correct option is B

A is 1-pentyne & B is 2-pentyne

The given diagram shows isomeric forms of pentyne. Choice A is the structure of pent-1-yne whereas B shows the structure corresponding to pent-2-yne.