Sindh MDCAT 2022 Chemistry#First Law of Thermodynamics#Thermochemistry & Thermodynamics1166Choose the best answerQ.73 The equation of the first law of thermodynamics q = ΔE + W, will reduce at constant volume to:AΔE + WBqᵥ = ΔE + PΔVCqᵥ = ΔE + WDqᵥ = ΔE Like 0 Discuss 0Share
Alkyl HalidesGrignard Reaction with Formaldehyde1167Choose the best answerA Grignard reagent reacts with formaldehyde followed by hydrolysis to produce:APrimary alcoholBSecondary alcoholCTertiary alcoholDCarboxylic acid Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Crystalline and Amorphous Solids#Solids1168Choose the best answerWhich of the following is not a crystalline solid? (SZABMU MDCAT 2025)AKClBFe metalCGlassDrhombic S Like 0 Discuss 0Share
Alcohols and PhenolsLucas Test1169Choose the best answerWhich alcohol gives immediate turbidity with Lucas reagent at room temperature?AMethanolBEthanolCPropan-1-olDtert-Butanol Like 0 Discuss 0Share
SolidsLattice Energy1170Choose the best answerEnergy is released when:AAn ionic solid is completely meltedBGaseous atoms are producedCGaseous ions combine to form an ionic crystalDAn ionic lattice is completely separated Like 0 Discuss 0Share