LiquidsExtent of Hydrogen Bonding2966Choose the best answerWhich substance shows the least extensive hydrogen bonding among the following?ANH₃BEthanolCH₂ODHF Like 0 Discuss 0Share
KMU MDCAT 2024 Chemistry#Percentage Yield#Stoichiometry2967Choose the best answerEfficiency of chemical reaction can be checked by calculating (KMU MDCAT 2024)AActual yieldBTheoretical yieldCPercentage yieldDAmount of the reactant unused Like 2 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Chemical Bonding#Dipole-Dipole Forces2968Choose the best answerCO₂ and SO₂ both are triatomic molecules, but heat of vaporization of SO₂ is greater than that of CO₂ due to: (Sindh MDCAT 2020)AHigh electronegativity of SBGreater size of SO₂CSO₂ is polar and CO₂ is non-polarDSO₂ is more acidic than CO₂ Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Carboxylic Acids#Preparation of Acyl Chlorides2969Choose the best answerWhat products are formed when acetic acid reacts with thionyl chloride?ACH₃Cl + CH₃COClBCH₃COOCH₃ + SO₂CCH₃COCl + SO₂ + HClDCH₃Cl + SO₂ + HCl Like 1 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Dynamic Equilibrium2970Choose the best answerWhy is a closed container needed to establish chemical equilibrium?APrevents the reaction from occurringBPrevents reactants and products from escapingCMakes the forward reaction irreversibleDKeeps reactant concentrations equal Like 0 Discuss 0Share