MDCAT Chemistry Paper 2025#Benzene & Aromatic Compounds#Benzene Reactions1526Choose the best answerWhich is not true about benzene: (IBA MDCAT 2025)Asp² hybridizationBFractional bond orderCNo elimination reactionD6 sites for monosubstitution Like 5 Discuss 0Share
Chemistry of HydrocarbonsOxidative Cleavage of Alkynes1527Choose the best answerOxidative ozonolysis of alkynes generally gives:AAlcoholsBAldehydesCCarboxylic acidsDAlkanes Like 2 Discuss 0Share
SolidsProperties of Amorphous Solids1528Choose the best answerWhich statement about amorphous solids is incorrect?AThey soften over a range of temperatureBThey are anisotropicCThey lack long-range periodic orderDThey are generally rigid and nearly incompressible Like 0 Discuss 0Share
MDCAT Chemistry Past Papers 2024Sindh MDCAT Chemistry Past Paper 2024#Percentage Yield#Stoichiometry1529Choose the best answerGenerally, actual yield is:ALess than theoretical yieldBEqual to the theoretical yieldCGreater than the theoretical yieldDGreater than percent yield Like 0 Discuss 0Share
Chemistry of HydrocarbonsNitration of Benzene1530Choose the best answerWhich reagent mixture is used for nitration of benzene?AConcentrated HNO₃ + concentrated H₂SO₄BHCl + HNO₃CH₂SO₄ + HClDHNO₃ + NaOH Like 1 Discuss 0Share