Sindh MDCAT 2020 Chemistry#Atomic Structure#Quantum Numbers216Choose the best answerQuantum number values for '2p' orbitals are: (Sindh MDCAT 2020)An = 2, l = 1Bn = 1, l = 2Cn = 1, l = 0Dn = 2, l = 0 Like 0 Discuss 0Share
Chemical EquilibriumDynamic Equilibrium217Choose the best answerAt equilibrium in N₂(g) + O₂(g) ⇌ 2NO(g):AReactant concentrations continuously decreaseBConcentrations of all species remain constantCProduct concentration continuously increasesDAll concentrations become equal Like 0 Discuss 0Share
Periodic TableIsoelectronic Species and Ionic Radius218Choose the best answerWhy is the ionic radius of S²⁻ larger than that of K⁺?AS²⁻ contains more electrons than K⁺.BK⁺ contains more occupied electron shells.CS²⁻ and K⁺ are isoelectronic, but S²⁻ has a lower nuclear charge.DS²⁻ has a higher nuclear charge than K⁺. Like 0 Discuss 0Share
Atomic StructureAzimuthal Quantum Number219Choose the best answerFor n = 3, how many possible values of ℓ are allowed?A2B3C1D0 Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Mole Concept220Choose the best answerHow many moles of hydrogen atoms are present in 0.25 mol of CH₄?A0.25 molB0.50 molC1.00 molD4.00 mol Like 0 Discuss 0Share