UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Chemical Equilibrium#Equilibrium Constant1611Choose the best answerWhat is the ultimate fate of reversible reaction? (UHS MDCAT 2023)ACompletion of reactionBComplete consumption of reactantsCComplete consumption of productsDA state when there is no net concentration change Like 1 Discuss 0Share
Alcohols and PhenolsMechanism of Dehydration of Alcohols1612Choose the best answerProtonation of the –OH group during dehydration converts it into a better:ANucleophileBElectrophileCLeaving groupDReducing agent Like 0 Discuss 0Share
Chemical KineticsRate of Appearance of Products1613Choose the best answerFor the reaction 2A ⇌ 4B + C, the concentration of B increases by 5 × 10⁻³ mol L⁻¹ in 10 s. The rate of appearance of B is:A5 × 10⁻⁴ mol L⁻¹ s⁻¹B5 × 10⁻³ mol L⁻¹ s⁻¹C6 × 10⁻⁵ mol L⁻¹ s⁻¹D4 × 10⁻⁴ mol L⁻¹ s⁻¹ Like 0 Discuss 0Share
ElectrochemistryOxidation Number1614Choose the best answerThe oxidation number of an element in a species may be:APositiveBZero or fractionalCNegativeDAll of these Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryFunctional Groups1615Choose the best answerWhich matching of functional groups with their classes is correct? (1) –CHO (2) –COOH (3) –COOR (4) –CONH₂A1–Aldehyde, 2–Carboxylic acid, 3–Ester, 4–AmideB1–Carboxylic acid, 2–Ester, 3–Aldehyde, 4–AmideC1–Aldehyde, 2–Ester, 3–Amide, 4–Carboxylic acidD1–Amide, 2–Aldehyde, 3–Ester, 4–Carboxylic acid Like 0 Discuss 0Share