MDCAT Chemistry MCQ #4315

Which gas has the highest viscosity at 25°C despite having low molecular mass?

MDCAT Chemistry MCQ #4315

  1. Question 1

    Q1. Which gas has the highest viscosity at 25°C despite having low molecular mass?

    • A) O2
    • B) N2
    • C) CO2
    • D) H2

    Answer: CO2

    Explanation: CO2’s larger size increases collision frequency. N2 and O2 have simpler molecular structures.