Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hydrogen Spectrum51Choose the best answerFor n₂ = 4 to n₁ = 2, what is the value of (1/n₁² − 1/n₂²)?A0.1875B0.2500C0.7500D0.0625 Like 0 Discuss 0Share
XIIMDCAT Chemistry Test#Classification of Organic Compounds#Fundamental Principles of Organic Chemistry52Choose the best answerHomocyclic organic compounds are mainly divided into which two classes?AAlkenes & AlkynesBAromatic and Non-aromaticCAlicyclic and AromaticDSaturated & Unsaturated Like 0 Discuss 0Share
LiquidsHydrogen-Bond-Like Interactions53Choose 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
Chemical EquilibriumRelationship Between Kp and Kc54Choose the best answerFor PCl₅(g) ⇌ PCl₃(g) + Cl₂(g), the relation between Kp and Kc is:AKp = KcBKp = Kc(RT)⁻¹CKp = Kc(RT)DKp = Kc(RT)² Like 0 Discuss 0Share
UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Atomic Structure#Electronic Configuration55Choose the best answerWhich element has the ground state electronic configuration of 1s², 2s², 2p⁶, 3s², 3p⁶? (UHS MDCAT 2023)AArBClCNaDS Like 0 Discuss 0Share1