Question Detail

CHM 102 Practice Questions Objective Question

Question

How many distinct internal alkynes exist with a molecular formula of C6H10?
Options
A 1
B 2
C 3
Correct Answer
D 4
Correct Answer

Option C is the correct answer.

Detailed Explanation

C6H10 is an alkyne. The internal alkynes (triple bond not at the end) are: 2-hexyne (CH3-C≡C-CH2-CH2-CH3), 3-hexyne (CH3-CH2-C≡C-CH2-CH3), and 4-methyl-2-pentyne (CH3-C≡C-CH(CH3)-CH3). There are 3 internal alkynes.

Hint

What are the internal alkyne isomers of C6H10?

Question Info