MDCAT Chemistry MCQ #810

Which of the following exhibits an unexpected increase in electron affinity down a group?

MDCAT Chemistry MCQ #810

  1. Question 1

    Q1. Which of the following exhibits an unexpected increase in electron affinity down a group?

    • A) Fluorine to Chlorine
    • B) Oxygen to Sulfur
    • C) Nitrogen to Phosphorus
    • D) Carbon to Silicon

    Answer: Oxygen to Sulfur

    Explanation: Sulfur's EA is higher than O due to lower electron-electron repulsion. Option A shows regular trend.