Chemical EquilibriumLe Chatelier’s Principle36Choose the best answerLe Chatelier’s principle is applicable to:ABoth physical and chemical equilibriaBChemical equilibria onlyCPhysical equilibria onlyDNeither physical nor chemical equilibria Like 0 Discuss 0Share
Chemical EquilibriumMagnitude of Equilibrium Constant and Stability37Choose the best answerWhich nitrogen oxide is most stable against decomposition according to the following decomposition equilibrium constants?A2NO₂ ⇌ N₂ + 2O₂; K = 6.7 × 10⁻¹⁶B2NO ⇌ N₂ + O₂; K = 2.2 × 10⁻³⁰C2N₂O₅ ⇌ 2N₂ + 5O₂; K = 1.2 × 10⁻³⁴D2N₂O ⇌ 2N₂ + O₂; K = 3.5 × 10⁻³³ Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Equilibrium#Kc38Choose the best answerFor which equilibrium is Kc dimensionless?AC(s) + H₂O(g) ⇌ CO(g) + H₂(g)BCH₃OH(l) + CH₃CO₂H(l) ⇌ CH₃CO₂CH₃(l) + H₂O(l)CCu²⁺(aq) + 4NH₃(aq) ⇌ Cu(NH₃)₄²⁺(aq)DN₂O₄(g) ⇌ 2NO₂(g) Like 0 Discuss 0Share
Chemical EquilibriumActive Mass and Dynamic Equilibrium39Choose the best answerWhich statement is false?AIncreasing reactant concentration generally decreases reaction rateBDynamic equilibrium occurs when forward and reverse rates are equalCDissociation of a weak electrolyte is reversibleDFree ions can participate readily in chemical reactions Like 0 Discuss 0Share
Chemical EquilibriumUnits of Kc40Choose the best answerFor A + B ⇌ C, the unit of Kc, using concentration units, is:Amol dm⁻³Bdm³ mol⁻¹Cmol dm³Ddm⁻³ mol Like 0 Discuss 0Share