1 Which reagent can be used to differentiate between primary and tertiary alcohols? A С PCI, Acidified KMnO4 B D 2,4-DNP
Posted: Mon May 23, 2022 6:31 am
- 1 (300.11 KiB) Viewed 16 times
1 Which reagent can be used to differentiate between primary and tertiary alcohols? A С PCI, Acidified KMnO4 B D 2,4-DNP NaOH (in ethanol) 2 Which of the following reactions will not produce an alcohol? A C Hydrolysis of nitrile Hydrolysis of haloalkanes B D Reduction of ketone Mild oxidation of alkenes 3 Consider the compound below: CH=C=CHCH-CH=C=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 С PCL5 Iodoform reagent B D Bromine water Fehling's reagent 5 What is the type of reaction for esterification of carboxylic acid? TO A С Addition Substitution B D Elimination Condensation 1 PART II [20 marks] 1 Write the mechanism of nucleophilic addition between ethanal and cold alkaline hydrogen cyanide, HCN. [3]