Question Detail

CHM 102 Practice Questions Objective Question
Take CBT

Question

1-Buten-3-yne has
Options
A six σ and four π bonds
B seven σ and three π bonds
Correct Answer
C eight σ and two π bonds
D nine σ and one π bond
Correct Answer

Option B is the correct answer.

Detailed Explanation

1-Buten-3-yne (CH2=CH-C≡CH) has 7 sigma bonds and 3 pi bonds. The double bond contributes 1 pi bond, the triple bond contributes 2 pi bonds, and all single bonds are sigma bonds.

Hint

Draw the structure CH2=CH-C≡CH and count the σ and π bonds.

Question Info

Course: CHM 102
Topic: Practice Questions
Type: Objective
Difficulty: Not specified
Question 927 of 1999
Previous Course Details Next