Chemical equilibrium 01Chemical equilibrium #Kc16Choose the best answerFor 2SO₂(g) + O₂(g) ⇌ 2SO₃(g), which expression represents Kc?A[SO₂]²[O₂] / [SO₃]²B[SO₃]² / [SO₂]²[O₂]C[SO₃] / [SO₂][O₂]D[SO₃]² / [SO₂][O₂] Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc17Choose the best answerFor H₂(g) + I₂(g) ⇌ 2HI(g), Qc = 9 and Kc = 48. In which direction will the reaction proceed?AThe reaction proceeds in the reverse directionBThe reaction proceeds in the forward directionCThe system is already at equilibriumDThe reaction must stop because Qc < Kc Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc18Choose the best answerA reaction with a very small Kc mainly contains:APredominantly products at equilibriumBPredominantly reactants at equilibriumCEqual concentrations of reactants and productsDComplete conversion to products Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc19Choose the best answerFor Fe³⁺(aq) + 4Cl⁻(aq) ⇌ FeCl₄⁻(aq), which expression represents Kc?A[Fe³⁺][Cl⁻]⁴ / [FeCl₄⁻]B[FeCl₄⁻] / [Fe³⁺][Cl⁻]⁴C[FeCl₄⁻] / [Fe³⁺][Cl⁻]D[FeCl₄⁻]⁴ / [Fe³⁺][Cl⁻] Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc20Choose the best answerFor a reversible reaction, what happens when Qc < Kc?AShift in the forward directionBShift in the reverse directionCRemain unchangedDStop both reactions Like 0 Discuss 0Share