Chemical equilibrium 01Chemical equilibrium #Equilibrium Constant1451Choose the best answerFor aA + bB ⇌ cC + dD, which expression gives the equilibrium constant according to the law of mass action?A[A]ᵃ[B]ᵇ / [C]ᶜ[D]ᵈB[C]ᶜ[D]ᵈ / [A]ᵃ[B]ᵇC[C][D] / [A][B]D([A] + [B]) / ([C] + [D]) Like 0 Discuss 0Share
ElectrochemistryCalculation of Oxidation Number1452Choose the best answerThe oxidation number of sulfur in SO₄²⁻ is:A−8B−6C+8D+6 Like 0 Discuss 0Share
GasesAverage Kinetic Energy of Gases1453Choose the best answerAt the same absolute temperature, molecules of different ideal gases have:AThe same average translational kinetic energyBThe same average speedCThe same momentumDThe same root mean square speed Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Electrochemistry#Galvanization1454Choose the best answerCoating of Zinc on iron is called:ASurface coatingBElectroplatingCGalvanizingDSheardizing Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Chemistry of Hydrocarbons#Hydration of Alkynes1455Choose the best answerPropanone can be prepared from propyne by: (UHS MDCAT 2023)APassing a mixture of propyne and steam over a catalyst, magnesium at 420°CBPassing a mixture of propyne and ethanol over a catalyst, zinc chromateCBoiling propyne with water in the presence of HgSO₄ and H₂SO₄DTreating propyne with iodine and NaOH Like 1 Discuss 0Share