Nitrogen dioxide is a gas that contributes to air pollution. It is produced in internal combustion engines. Which statement is correct?

Nitrogen dioxide acts as a catalyst in the atmospheric oxidation of sulfur dioxide to sulfur trioxide.

Nitrogen dioxide reacts to form nitrogen monoxide in the catalytic converter of a car exhaust system.

PAN forms when nitrogen dioxide reacts with the gases formed by complete combustion of the fuel.

Under high pressure in an internal combustion engine, nitrogen dioxide forms from impurities in the fuel.

Chemistry

IGCSE&ALevel

CAIE

Exam No：9701_s24_qp_11 Year：2024 Question No：23

Answer:

4.1.1 explain the origin of pressure in a gas in terms of collisions between gas molecules and the wall of the container

4.1.2 understand that ideal gases have zero particle volume and no intermolecular forces of attraction

4.1.3 state and use the ideal gas equation pV = nRT in calculations, including in the determination of