In Which of the Following Reactions Will the Pressure Increase

Multiple Choice

In which of the following reactions will the pressure increase upon completion of the reaction at constant temperature?

A) C(s) + O₂(g) → CO₂(g)
B) 2NO(g) + O₂(g) → 2NO₂(g)
C) C₂H₆O(l) + 3O₂(g) → 2CO₂(g) + 3H₂O(l)
D) 4NH₃(g) + 5O₂(g) → 4NO(g) + 6H₂O(g)
E) Cl₂(g) + 3F₂(g) → 2ClF₃(g)