MDCAT Chemistry MCQ #1778

A student plots the boiling points of Period 2 and 3 hydrides. Which substance shows the highest boiling point due to extensive hydrogen bonding?

MDCAT Chemistry MCQ #1778

  1. Question 1

    Q1. A student plots the boiling points of Period 2 and 3 hydrides. Which substance shows the highest boiling point due to extensive hydrogen bonding?

    • A) H2S
    • B) NH3
    • C) HF
    • D) H2O

    Answer: H2O

    Explanation: H2O has the highest boiling point because it forms two hydrogen bonds per molecule; HF is tempting but forms only one.