Hydrogen gas reacts with iodine vapors to form hydrogen iodide in a reversible process. What are the units for the equilibrium constant Kc for this reaction?
Q1. Hydrogen gas reacts with iodine vapors to form hydrogen iodide in a reversible process. What are the units for the equilibrium constant Kc for this reaction?
Answer: No units
Explanation: Kc is unitless when moles of reactants equal moles of products. Option A fails because it assumes units always exist for Kc.