MDCAT Chemistry MCQ #1774

An organic chemist analyzes bond lengths in hydrocarbons. Which molecule contains the shortest carbon-carbon bond distance due to high electron density?

MDCAT Chemistry MCQ #1774

  1. Question 1

    Q1. An organic chemist analyzes bond lengths in hydrocarbons. Which molecule contains the shortest carbon-carbon bond distance due to high electron density?

    • A) Ethyne
    • B) Ethene
    • C) Ethane
    • D) Benzene

    Answer: Ethyne

    Explanation: Ethyne (C2H2) has the shortest C-C bond because it is a triple bond; Ethene is tempting but contains a longer double bond.