HARDMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryChemical EquilibriumAchiever Section
When A2 and B₂ are allowed to react, the equilibrium constant of the reaction at 27ºC is found (Kc = 4). A2(g) + B₂(g) 2AB(g) What will be the equilibrium concentration of AB ?
A.1.33 M
B.2.66 M
C.0.66 M✓ Correct
D.0.33 M
Explanation
2 A (g) + B(g) 2AB(g) t = 0 2 4 4 4 0 t = teq 2 4 x 4 4 x 2 4 x 2 C 2 2 2 2 2 2 2 AB K = A B 2x 4 4 2 x 4 x 4 4 4x 4 x 6x 8 4 x 6x 8 x , x 3 2x 2 4 AB 0.66M 4 4 3 x
Practice More Like This
Take chapter-wise tests, track your progress, and master Chemical Equilibrium.
Start Free Practice →