MDCAT Chemistry Past PapersIBA MDCAT Chemistry Paper Reconduct 2024#Benzene & Aromatic Compounds#Meta-Directing Groups2126Choose the best answerWhich is a meta-directing group? (IBA MDCAT Reconduct 2024)AClBNO₂CR–OHDR–NH₂ Like 0 Discuss 0Share
SZABMU MDCAT 2025 Chemistry#Enthalpy#Thermochemistry & Thermodynamics2127Choose the best answerFor endothermic reaction, enthalpy change is: (SZABMU MDCAT 2025)AΔH_reactant > ΔH_productBΔH_reactant < ΔH_productCΔH_reactant = ΔH_productDΔH_reactant - ΔH_product = 0 Like 0 Discuss 0Share
ElectrochemistryElectrolysis of Aqueous Solutions2128Choose the best answerDuring electrolysis of aqueous NaCl, the main product formed at the cathode is:AH₂BCl₂CO₂DNa Like 0 Discuss 0Share
Chemical equilibrium 01Chemical equilibrium #Kc2129Choose the best answerFor H₂(g) + I₂(g) ⇌ 2HI(g), Qc = 9 and Kc = 48. In which direction will the reaction proceed?AThe reaction proceeds in the reverse directionBThe reaction proceeds in the forward directionCThe system is already at equilibriumDThe reaction must stop because Qc < Kc Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Enthalpy#Thermochemistry & Thermodynamics2130Choose the best answerThe heat of formation of CO and CO₂ are -26.4 Kcal and -94.0 Kcal respectively. The heat of combustion of carbon monoxide according to Hess's Law will be: (IBA MDCAT 2025)A+26.4 KcalB-67.6 KcalC+94.0 KcalD-120.4 Kcal Like 0 Discuss 0Share