MDCAT Chemistry MCQ #3940

A hydrocarbon with the formula C6H6 is analyzed. If it is an open-chain dipropyne, how many pi bonds must it contain to satisfy the valency?

MDCAT Chemistry MCQ #3940

  1. Question 1

    Q1. A hydrocarbon with the formula C6H6 is analyzed. If it is an open-chain dipropyne, how many pi bonds must it contain to satisfy the valency?

    • A) 3
    • B) 4
    • C) 5
    • D) 2

    Answer: 4

    Explanation: C6H6 requires four pi bonds to satisfy carbon valency in open chains. 3 is wrong, being specific to benzene's ring.