MDCAT Chemistry MCQ #1750

A sample of vinyl acetylene (C4H4) is analyzed for its bonding characteristics. How many sigma bonds are present in one molecule of this compound?

MDCAT Chemistry MCQ #1750

  1. Question 1

    Q1. A sample of vinyl acetylene (C4H4) is analyzed for its bonding characteristics. How many sigma bonds are present in one molecule of this compound?

    • A) 3
    • B) 4
    • C) 7
    • D) 11

    Answer: 7

    Explanation: Vinyl acetylene (CH2=CH-C≡CH) has 3 C-C sigma bonds and 4 C-H sigma bonds. 11 represents the total of sigma and pi bonds.