GasesUniversal Gas Constant146Choose the best answerThe value of the universal gas constant R is 0.0821 in which units?AJ mol⁻¹ K⁻¹Batm·dm³·mol⁻¹·K⁻¹Ccal mol⁻¹ K⁻¹DPa·m³ only Like 0 Discuss 0Share
UHS MDCAT 2024 Chemistry#d-Block Elements#Transition Elements147Choose the best answerWhich of the following is NOT a property of transition elements?AHigh melting pointsBGood conductors of electricityCHard metalsDIons and compounds are colorless Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Haber Process#Industrial Chemistry148Choose the best answerThe equation N₂ + 3H₂ ⇌ 2NH₃ represents: (Sindh MDCAT 2020)AContact processBHaber's processCSolvay processDAvogadro's law Like 0 Discuss 0Share
Atomic StructureQuantum Numbers149Choose the best answerThe unpaired electron of lithium, Z = 3, has which orbital quantum numbers?An = 2, ℓ = 0, mℓ = 0Bn = 3, ℓ = 0, mℓ = 0Cn = 2, ℓ = 1, mℓ = +1Dn = 3, ℓ = 1, mℓ = 0 Like 0 Discuss 0Share
Alcohols and PhenolsBoiling Point of Alcohols150Choose the best answerArrange the following alcohols in decreasing order of boiling point:AButan-1-ol > tert-Butanol > Propan-2-olBtert-Butanol > Butan-1-ol > Propan-2-olCPropan-2-ol > Butan-1-ol > tert-ButanolDButan-1-ol > Propan-2-ol > tert-Butanol Like 0 Discuss 0Share