Chemical BondingLewis Acids and Bases771Choose the best answerWhich species has no tendency to donate a lone pair to H⁺?ANH₃BH₂OCBF₃DCH₃OH Like 0 Discuss 0Share
Chemical EquilibriumEffect of Pressure on Equilibrium772Choose the best answerWhich equilibrium is shifted toward products by decreasing pressure?AN₂(g) + 3H₂(g) ⇌ 2NH₃(g)BH₂(g) + I₂(g) ⇌ 2HI(g)CPCl₅(g) ⇌ PCl₃(g) + Cl₂(g)DN₂(g) + O₂(g) ⇌ 2NO(g) Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryPetroleum773Choose the best answerPetroleum is best described as:AA mixture of hydrocarbonsBA pure alkaneCA pure cycloalkaneDA pure aromatic compound Like 0 Discuss 0Share
StoichiometryMole Concept and Avogadro Constant774Choose the best answerOne mole of SO₂ contains:A4 gram-atoms of SO₂B6.022 × 10²³ sulfur atomsC1.81 × 10²³ SO₂ moleculesD6.02 × 10²³ oxygen atoms Like 0 Discuss 0Share
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Atomic Mass Unit#Stoichiometry775Choose the best answer1 atomic mass unit is approximately equal to: (IBA MDCAT Reconduct 2024)A1.66 × 10⁻²⁴ kgB9.11 × 10⁻³¹ kgC1.66 × 10⁻²⁷ kgD1.67 × 10⁻²⁷ g Like 0 Discuss 0Share