Chemical EquilibriumReversible Reactions116Choose the best answerA reversible reaction is one that:AProceeds only in the forward directionBCan proceed in both forward and backward directionsCAlways proceeds spontaneously to completionDCannot attain equilibrium Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Reversible Reactions117Choose the best answerFor N₂(g) + 3H₂(g) ⇌ 2NH₃(g), what does the reverse reaction represent?AFormation of NH₃ from N₂ and H₂BDecomposition of NH₃ into N₂ and H₂CFormation of N₂ from NH₃ onlyDConversion of H₂ into NH₃ Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature on Equilibrium118Choose the best answerFor the endothermic equilibrium N₂(g) + O₂(g) + heat ⇌ 2NO(g), a higher yield of NO is favoured by:AHigh temperatureBHigh pressureCLow temperatureDRemoving N₂ Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Reversible Binding119Choose the best answerWhy is the reversible binding of oxygen by hemoglobin important?APermanently bind oxygenBTake up and release oxygen under different conditionsCConvert oxygen into carbon dioxideDStop oxygen transport at equilibrium Like 0 Discuss 0Share
UHS MDCAT 2025 Chemistryuhs mdcat chemistry 2025#Buffer Action#Chemical Equilibrium120Choose the best answerWhen H⁺ is added to an NH₄OH/NH₄Cl buffer, what mainly happens? (UHS MDCAT 2025)AH⁺ reacts with NH₄OH to form NH₄⁺ and H₂OBThe buffer stops working immediatelyCNH₄Cl completely dissociates into NH₃DH⁺ remains unchanged Like 0 Discuss 0Share