Chemistry of HydrocarbonsAromaticity and Stability of Benzene151Choose the best answerThe unusual stability of benzene is mainly due to:AHyperconjugation onlyBResonance and aromatic delocalizationCHydrogen bondingDInductive effect only Like 1 Discuss 0Share
Chemistry of HydrocarbonsNitration of Benzene152Choose the best answerWhich reagent mixture is used for nitration of benzene?AConcentrated HNO₃ + concentrated H₂SO₄BHCl + HNO₃CH₂SO₄ + HClDHNO₃ + NaOH Like 1 Discuss 0Share
Chemistry of HydrocarbonsElectrophilic Aromatic Substitution153Choose the best answerBenzene mainly undergoes:AAddition reactionsBElectrophilic substitution reactionsCNucleophilic substitution reactionsDElimination reactions Like 1 Discuss 0Share
MDCAT Chemistry Past Papers Reconduct 2023#Alkynes#Chemistry of Hydrocarbons154Choose the best answerAcetylene forms benzene when passed through a red-hot tube made of: (MDCAT Reconduct 2023)AIronBNickelCPalladiumDPlatinum Like 0 Discuss 0Share
Chemistry of HydrocarbonsDirective Influence of Substituents155Choose the best answerOrtho-para directing groups are generally:AActivating groupsBDeactivating groupsCAlways neutral groupsDAlways meta directors Like 0 Discuss 0Share