Chemical equilibrium 01Chemical equilibrium #Reversible Binding136Choose 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 Equilibrium137Choose 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
Chemical equilibrium 01Chemical equilibrium #Dynamic Equilibrium138Choose the best answerWhy is a closed container needed to establish chemical equilibrium?APrevents the reaction from occurringBPrevents reactants and products from escapingCMakes the forward reaction irreversibleDKeeps reactant concentrations equal Like 0 Discuss 0Share
Chemical EquilibriumLe Chatelier’s Principle139Choose the best answerThe principle stating that an equilibrium shifts to oppose an imposed change is:AFirst law of thermodynamicsBLe Chatelier’s principleCHess’s lawDFaraday’s law Like 0 Discuss 0Share
XiMDCAT XI Complete Chemistry Grand Test#Chemical Equilibrium#Effect of Pressure140Choose the best answerWhich equilibrium is favoured in the forward direction by lowering the pressure?AN₂ + 3H₂ ⇌ 2NH₃B2HI ⇌ H₂ + I₂CPCl₅ ⇌ PCl₃ + Cl₂DN₂ + O₂ ⇌ 2NO Like 0 Discuss 0Share