Atomic StructureAufbau Principle1426Choose the best answerThe sequence in which electrons fill subshells of increasing energy is explained by:AHund's ruleBOctet ruleCAufbau principleDHeisenberg uncertainty principle Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Gases#Ideal Gas Behaviour1427Choose the best answerThe actual volume occupied by gas molecules is most nearly negligible at which pressure? (Sindh MDCAT 2020)A2 atmB4 atmC6 atmD8 atm Like 2 Discuss 0Share3
MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Nomenclature of Organic Compounds#Organic Nomenclature1428Choose the best answerWhat is the IUPAC name of the compound CH₂=CH–CH=CH–CH=CH–CH₃? (IBA MDCAT Reconduct 2024)A1,3,5-HeptatrieneB2,4,6-HeptatrieneCHepta-1,3,5-dieneDHepta-2,4,6-triene Like 0 Discuss 0Share
Atomic StructureSubatomic Particles1429Choose the best answerThe nitride ion, N³⁻, in lithium nitride is composed of:A7 protons + 10 electronsB10 protons + 10 electronsC7 protons + 7 electronsD10 protons + 7 electrons Like 0 Discuss 0Share
StoichiometryStoichiometric Coefficients and Mole Ratios1430Choose the best answerThe equation: 2Al + 3/2 O₂ → Al₂O₃ shows that:A2 mol Al react with 3/2 mol O₂ to produce 7/2 mol Al₂O₃B2 g Al react with 3/2 g O₂C2 g Al react with 3/2 L O₂D2 mol Al react with 3/2 mol O₂ to produce 1 mol Al₂O₃ Like 0 Discuss 0Share