Chemical EquilibriumLe Chatelier’s Principle2301Choose the best answerThe principle stating that an equilibrium shifts to oppose an imposed change is:AFirst law of thermodynamicsBLe Chatelier’s principleCHess’s lawDFaraday’s law Like 0 Discuss 0Share
StoichiometryStoichiometric Principles2302Choose the best answerSelect the correct statements: I. 12 g O₂ can completely react with 13.5 g Al to form Al₂O₃. II. Under ideal stoichiometric conditions, actual yield does not exceed theoretical yield. III. 1 mol C₃H₈ and 1 mol C₃H₄ each produce 3 mol CO₂ on complete combustion. IV. 1 g S combines with 1 g O₂ to produce 1 g SO₂.AI, II, III and IVBII, III and IVCI, II and IIIDI, III and IV Like 0 Discuss 0Share
Atomic StructureMagnetic Quantum Number2303Choose the best answerAn electron with mℓ = +3 can be present in which subshell?AsBpCdDf Like 0 Discuss 0Share
StoichiometryMole Concept and Number of Atoms2304Choose the best answerHow many atoms are present in 1.8 g H₂O?A0.1NAB0.2NAC0.3NAD0.4NA Like 0 Discuss 0Share
LiquidsHydrogen-Bond-Like Interactions2305Choose the best answerWhich compound can form a weak hydrogen-bond-like interaction with suitable hydrogen-bond acceptors despite containing no O–H, N–H or F–H bond?ACHCl₃BCCl₄CC₂Cl₄DCF₄ Like 0 Discuss 0Share