Chemical Equilibrium Mock Tests

For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), Kc = 6.0 × 10⁻² at 500 K. What is the value of Kp at 500 K? (R = 0.0821 L·atm·mol⁻¹·K⁻¹)

The correct order of pH for 0.1 M solutions of NaCl, NH4Cl, and NaCN is:

For the reaction 2SO₂(g) + O₂(g) ⇌ 2SO₃(g), ΔH = -198 kJ/mol. If the equilibrium mixture at constant pressure is heated, which of the following statements is CORRECT?

For the reaction N₂(g) + O₂(g) ⇌ 2NO(g), the value of Kc at 1500 K is 1.0 × 10⁻¹⁰. If 0.4 mol of N₂ and 0.1 mol of O₂ are heated to 1500 K in a 1 L container, the equilibrium concentration of NO is:

The pH of 0.001 M HCl solution is:

For the reaction N₂(g) + 3H₂(g) ⇌ 2NH₃(g), ΔH = -92 kJ/mol. Which condition favours the maximum conversion of reactants to products?

For the reaction N₂(g) + O₂(g) ⇌ 2NO(g), Kp = 4 × 10⁻⁴ at 2000 K. If the equilibrium mixture contains P(N₂) = 0.8 atm and P(O₂) = 0.2 atm, the equilibrium partial pressure of NO is:

The pH of a 0.001 M solution of NaOH at 298 K is: