Question Detail
Question
How many distinct terminal alkynes exist with a molecular formula of C5H8?
Correct Answer
Option B is the correct answer.
Detailed Explanation
C5H8 is an alkyne. The terminal alkynes (with -C≡CH) are: 1-pentyne (CH≡C-CH2-CH2-CH3) and 3-methyl-1-butyne (CH≡C-CH(CH3)-CH3). There are 2 terminal alkynes.
Hint
What are the terminal alkyne isomers of C5H8?