Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Electronic Configuration1971Choose the best answerChoose the ground-state electronic configuration of Cl⁻ (Z = 17).A1s² 2s² 2p⁶ 3s² 3p⁵B1s² 2s² 2p⁶ 3s² 3p⁶C1s² 2s² 2p⁶D1s² 2s² 2p⁶ 3s² 3p⁴ Like 2 Discuss 0Share
Atomic StructureExceptional Electronic Configuration1972Choose the best answerWhich is NOT the ground-state electronic configuration of the corresponding neutral atom?ACr: [Ar] 3d⁴ 4s²BMn: [Ar] 3d⁵ 4s²CFe: [Ar] 3d⁶ 4s²DCu: [Ar] 3d¹⁰ 4s¹ Like 0 Discuss 0Share
Aldehydes and KetonesElectrophilicity of Carbonyl Compounds1973Choose the best answerWhich compound has the least electrophilic carbonyl carbon?AMethanalBEthanalCAcetophenoneDBenzophenone Like 0 Discuss 0Share
Classification of Hydrocarbons and IsomerismClassification of hydrocarbons, structural & geometrical isomerism#Classification of Organic Compounds#Fundamental Principles of Organic Chemistry1974Choose the best answerWhich compound is closed-chain, homocyclic, alicyclic and unsaturated?ABenzeneBPyridineCCyclohexaneDCyclohexene Like 1 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Liquids#Thermal Expansion of Liquids1975Choose the best answerWhen liquids are heated, volume _____(BUMHS MDCAT 2025)AdecreasesBincreasesCremains sameDcannot be measured Like 0 Discuss 0Share