UHS MDCAT 2023 ChemistryUHS MDCAT 2023 Past Paper#Alcohols and Phenols#Phenols36Choose the best answerIf phenol is treated with 3 moles of conc. HNO₃ in the presence of H₂SO₄ what will be the product? (UHS MDCAT 2023)Ao-nitro phenolBp-nitro phenolCo-nitro phenol and p-nitro phenolDpicric acid Like 0 Discuss 0Share
Alcohols and PhenolsGrignard Reaction with Esters37Choose the best answerCH₃MgBr reacts with methyl acetate followed by H₃O⁺ to give:APropan-2-olB2-Methylpropan-2-olCEthanolDMethanol only Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Alcohols#Alcohols and Phenols38Choose the best answerAlkyl halide on reaction with aqueous NaOH gives an alcohol. The mechanism is: (Sindh MDCAT 2022)ASNBEliminationCDecompositionDElectrophilic substitution reaction Like 0 Discuss 0Share
Alcohols and PhenolsPreparation of Alcohols by Hydration of Alkenes39Choose the best answerAcid-catalysed hydration of an unsymmetrical alkene generally follows:AAnti-Markovnikov's ruleBMarkovnikov's ruleCSaytzeff's ruleDHofmann's rule Like 0 Discuss 0Share
Alcohols and PhenolsGrignard Reaction with Formate Esters40Choose the best answerReaction of a formate ester with excess Grignard reagent followed by hydrolysis produces:APrimary alcoholBSecondary alcoholCTertiary alcoholDAldehyde Like 0 Discuss 0Share