- 1 Which Reagent Can Be Used To Differentiate Between Primary And Tertiary Alcohols A Pci 5 B 2 4 Dnp C Acidified Kmno4 1 (311.96 KiB) Viewed 11 times
PART 2 :NO.1
1 Which reagent can be used to differentiate between primary and tertiary alcohols? A PCI 5 B 2,4-DNP C Acidified KMnO4 D NaOH (in ethanol) Which of the following reactions will not produce an alcohol? A Hydrolysis of nitrile B Reduction of ketone C Hydrolysis of haloalkanes D Mild oxidation of alkenes Consider the compound below: CH3C=CHCH,CH2C=CHCHO CH3 CH3 Which of the following is correct regarding the compound above? A It exhibits optical isomerism B It is attacked only by electrophiles C It forms silver mirror when reacted with Tollen's reagent D It produces yellow precipitate with antiseptic smell with Iodoform reagent 4 Which of the following reagents cannot be used to distinguish ethanal from ethanoic acid? A PCI5 B C Iodoform reagent Bromine water Fehling's reagent D What is the type of reaction for esterification of carboxylic acid? B Addition Substitution Elimination Condensation C D 1 PART II [20 marks] 1 Write the mechanism of nucleophilic addition between ethanal and cold alkaline hydrogen cyanide, HCN. [3] 2 3 5 AU