GasesCharles's Law446Choose the best answerA gas occupies 300 mL at 27°C. What volume will it occupy at 7°C at constant pressure?A135 mLB540 mLC350 mLD280 mL Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Atomic Structure#Quantum Numbers447Choose the best answer"In an orbital of an atom, no two electrons can have the same set of four quantum numbers, at least one quantum number must be different." This statement is:AAufbau principleBPauli's exclusion principleCHund's ruleDWissewser rule Like 0 Discuss 0Share
Atomic StructureQuantum Numbers448Choose the best answerWhich set of quantum numbers is NOT allowed?An = 1, ℓ = 1, mℓ = +1, mₛ = +½Bn = 1, ℓ = 0, mℓ = 0, mₛ = +½Cn = 1, ℓ = 0, mℓ = 0, mₛ = −½Dn = 2, ℓ = 0, mℓ = 0, mₛ = +½ Like 0 Discuss 0Share
Alcohols and PhenolsPreparation of Alcohols by Reduction of Carboxylic Acids449Choose the best answerCH₃COOH + LiAlH₄/H₃O⁺ produces:ACH₃CHOBCH₃CH₂OHCCH₃COCH₃DCH₄ Like 0 Discuss 0Share
ElectrochemistryOxidation Number450Choose the best answerThe apparent charge assigned to an atom in a compound or ion is called:AValencyBCoordination numberCOxidation numberDCharge number Like 0 Discuss 0Share