Chemical EquilibriumEffect of Catalyst on Equilibrium2221Choose the best answerWhich statement correctly describes the effect of a catalyst on an equilibrium mixture?AIt changes the equilibrium constantBIt shifts equilibrium permanently toward productsCIt does not change the equilibrium compositionDIt stops the reverse reaction Like 0 Discuss 0Share
Alcohols and PhenolsOxidation of Primary Alcohols2222Choose the best answerOxidation of which alcohol gives butanoic acid?ACH₃OHBCH₃CH₂OHCCH₃CH₂CH₂OHDCH₃CH₂CH₂CH₂OH Like 0 Discuss 0Share
Alcohols and PhenolsEffect of Substituents on Acidity of Phenol2223Choose the best answerPhenol is less acidic than:AEthanolBMethanolCo-NitrophenolDp-Methylphenol Like 0 Discuss 0Share
StoichiometryPercentage Composition by Mass2224Choose the best answerWhich compound contains the highest percentage of hydrogen by mass?ACH₄BC₆H₁₈CC₃H₆DC₂H₂ Like 0 Discuss 0Share
StoichiometryMole Concept and Avogadro Constant2225Choose the best answerWhich sample contains approximately 6.02 × 10²³ molecules?A1 g H₂B16 g CH₄C16 g O₂DAll of these Like 0 Discuss 0Share