Aldehydes and KetonesClemmensen and Wolff–Kishner Reduction86Choose the best answerBenzaldehyde undergoes Clemmensen or Wolff–Kishner reduction to form:ABenzyl alcoholBBenzoic acidCTolueneDBenzophenone Like 0 Discuss 0Share
Aldehydes and KetonesPreparation from Calcium Salts of Carboxylic Acids87Choose the best answerWhich combination is correctly matched?ACalcium formate → Methanal; Calcium acetate → Propanone; Calcium formate + calcium acetate → EthanalBCalcium formate → Propanone; Calcium acetate → Ethanal; Calcium formate + calcium acetate → MethanalCCalcium formate → Methanal; Calcium acetate → Ethanal; Calcium formate + calcium acetate → PropanoneDCalcium formate → Ethanal; Calcium acetate → Propanone; Calcium formate + calcium acetate → Methanal Like 0 Discuss 0Share
Aldehydes and KetonesAldol Addition88Choose the best answerThe primary product of an aldol addition is:AA β-hydroxy acidBA β-hydroxy aldehyde or β-hydroxy ketoneCAn α-hydroxy aldehyde or α-hydroxy ketoneDAn α,β-unsaturated ester Like 0 Discuss 0Share
Aldehydes and KetonesIodoform Test89Choose the best answerWhich test distinguishes pentan-2-one from pentan-3-one?ATollens' testBFehling's testCIodoform testDFerric chloride test Like 0 Discuss 0Share
Sindh MDCAT 2021 Chemistry#Aldehydes and Ketones#Preparation of Formaldehyde90Choose the best answerThe compound obtained by the dry distillation of calcium formate is:AMethanolBMethanalCMethaneDAcetone Like 0 Discuss 0Share