ElectrochemistryFuel Cells806Choose the best answerIn hydrogen–oxygen fuel cells used in space applications, the useful by-product obtained is:ANiBPbCH₂ODNaOH Like 0 Discuss 0Share
Chemical EquilibriumEffect of Temperature on Equilibrium807Choose the best answerFor 2NO₂(g) ⇌ N₂O₄(g) + 14.6 kcal, increasing temperature:AFavours N₂O₄ formationBFavours N₂O₄ decompositionCHas no effectDStops both reactions Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Acid Anhydride Formation#Carboxylic Acids808Choose the best answerWhat product is formed when P₂O₅ dehydrates acetic acid?AAcetyl chlorideBEthanolCAcetic anhydrideDAcetaldehyde Like 0 Discuss 0Share
StoichiometryLimiting Reagent809Choose the best answerWhy does the limiting reagent control the amount of product formed?AIt is completely consumed first, stopping further product formationBIt always has the highest massCIt is present in excessDIt reacts at the highest rate Like 0 Discuss 0Share
Carboxylic AcidsAcidic Character and Inductive Effect810Choose the best answerThe correct decreasing order of acidity is:ACH₃COOH > ClCH₂COOH > CCl₃COOHBCCl₃COOH > ClCH₂COOH > CH₃COOHCClCH₂COOH > CH₃COOH > CCl₃COOHDCH₃COOH > CCl₃COOH > ClCH₂COOH Like 0 Discuss 0Share