Chemical BondingLewis Structure2176Choose the best answerIn the major Lewis structure of CO, the number of lone pairs on the oxygen atom is:A1B2C3D4 Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Acid Strength and Ionization#Chemical Equilibrium2177Choose the best answerAcetic acid is weak acid than sulphuric acid because of which of the following reasons? (UHS MDCAT 2023)AIt decomposes on increasing temperatureBIt has less degree of ionisationCIt has –COOH groupDIt has more inductive effect Like 2 Discuss 0Share
Chemistry of HydrocarbonsPreparation of Benzene by Decarboxylation2178Choose the best answerSodium benzoate on heating with soda lime produces:ATolueneBBenzeneCPhenolDBenzoic acid Like 2 Discuss 0Share
StoichiometryGas Volume, Mass and Molar Mass2179Choose the best answerFor equal masses of O₂, H₂ and CH₄ at the same temperature and pressure, the volume ratio O₂ : H₂ : CH₄ is:A1 : 1 : 1B1 : 16 : 2C2 : 16 : 2D2 : 16 : 1 Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Chemical Kinetics#Order of Reaction2180Choose the best answerQ.84 Reaction H₂ + Cl₂ → 2HCl is a:ASecond orderBFirst orderCHalf orderDZero order Like 0 Discuss 0Share