WorksheetsCarbonyl Compounds
Total questions: 15
Worksheet time: 7mins
Select a carbonyl compound from the following formulas
C4H10O
C4H8O
C4H8O2
C4H8
Which of the following is not a carbonyl compound?
Name the carbonyl compound according to IUPAC nomenclature :
3,3-dimethyl-4-phenylbutanone
4-phenyl-3,3-dimethylbutanone
3-benzyl-3,3-dimethylbutanone
1-phenyl-3,3-dimethylbutanone
The structure of 3-methyl-4-hydroxyhexanal is :
Arrange the following according to increasing boiling point :
C>B>D>A
D>A>B>C
B>C>A>D
B>C>D>A
Which of the following compounds form only ONE ketone with hot, acidified KMnO4?
Carbonyl compound CANNOT be synthesised through
ozonolysis of alkenes
oxidation of 1° alcohols
oxidation of 2° alcohols
esterification
Ozonolysis of an alkene, W, forms methanal and propanone. W is
CH3CH=CH2
CH3CH2=CH2
CH3CH=CHCH3
(CH3)2C=CH2
Name the reaction mechanism to form X.
Nucleophilic substitution
Electrophilic addition
Nucleophilic addition
Electrophilic substitution
Methylmagnesium bromide reacts with butanone followed by hydrolysis to form organic compound X. Name X.
2-butanol
2-methyl-2-butanol
2-methyl-1-butanol
1-butanol
The reaction between propanal and Fehling's reagent is a
condensation reaction
redox reaction
nucleophilic addition reaction
oxidation reaction
HCN reacts with propanal but does NOT react with propene because
HCN attacks a high electron density centre
Alkene is unreactive
HCN attacks electron deficient centre at carbonyl carbon
Propanal has π bond
Compound K reacts with the tests below :
Iodoform test : yellow precipitate formed
Fehling's reagent : no change
2,4-DNPH : orange precipitate formed
Which of the compound below is compound K?
CH3CH2CHO
CH2CH2OH
CH3CH2COCH3
CH3CH2COCH2CH3
Which of the compound below is optically active and gives yellow precipitate with iodine in alkaline solution?
The only aldehyde that gives positive result with I2/NaOH is
Butanal
2-methylpropanal
Ethanal
Propanal
