NEW
Font size
WorksheetsReactions of alcohol, carboxylic acid, and carbonyl
Total questions: 17
Worksheet time: 10mins
Which one cannot be oxidized?
CH3CH2CH2OH
(CH3)3C(OH)
(CH3)2CH(OH)
CH3CH2CH(CH3)OH
Which one can produce carboxylic acid when it is oxidized?
CH3CH2CH2OH
(CH3)3C(OH)
(CH3)2CH(OH)
CH3CH2CH(CH3)OH
What are reagent(s) and condition(s) needed to produce aldehyde from alcohol?
secondary alcohol + warm acidified K2Cr2O7 + heat under reflux
secondary alcohol + warm acidified K2Cr2O7 + distillation
primary alcohol + warm acidified K2Cr2O7 + heat under reflux
primary alcohol + warm acidified K2Cr2O7 + distillation
What is the organic compound produced when butan-2-ol is oxidized?
butan-1-ol
butanoic acid
butanone
butanal
butan-1-ol is oxidized with warm acidified K2Cr2O7. The reaction mixture is distilled immediately. What is the final product?
butanal
butanoic acid
butanone
butyl butanoate
Esterification is considered as ....
Hydrolysis
Substitution
Condensation
Addition
What are reagent(s) and condition(s) needed to produce ethyl methanoate?
Ethanol + methanoic acid + heat under reflux
Ethanol + methanoic acid + concentrated H2SO4 as catalyst
Methanol + ethanoic acid + concentrated H2SO4 as catalyst + heat under reflux
Ethanol + methanoic acid + concentrated H2SO4 as catalyst + heat under reflux
What is the organic compound produced when ethanol and pentanoic acid are reacted under certain conditions?
pentyl pentanoate
ethyl pentanoate
pentyl ethanoate
ethyl ethanoate
What is the reagent used to test the presence of aldehyde and ketone?
Benedict's solution
Fehling's solutions
2,4-DNPH
Tollens' reagent
Which reaction can produce silver mirror ppt?
butanone + Tollens' reagent
butanone + Fehling's solutions
butanal + Tollens' reagent
butanal + Fehling's solutions
Give 3 steps to produce ethyl ethanoate from a single compound only, ethene.
Step 1: oxidation of ethene with cold dilute acidified KMnO4 to produce compound A
Step 2: substitution of compound A with chlorine to compound B
Step 3: esterification of compound A and B
Step 1: hydration of ethene to produce compound A
Step 2: oxidation of compound A to compound B
Step 3: esterification of compound A and B
Step 1: hydrogenation of ethene to produce compound A
Step 2: oxidation of compound A to compound B
Step 3: esterification of compound A and B
Step 1: oxidation of ethene with hot concentrated acidified KMnO4 to produce compound A
Step 2: substitution of compound A with chlorine to compound B
Step 3: esterification of compound A and B
What reagent(s) and condition(s) are needed to convert butanoic acid to butan-1-ol?
NaBH4 in alkaline
acidified potassium manganate(VII) + heat under reflux
2,4-DNPH
LiAlH4 in dry ether
Which statement is correct?
Carbonyl compound can react with HCN + NaCN. The reaction mechanism is electrophilic addition.
Propanenitrile can be reduced to propylamine using LiAlH4 in dry ether.
When propyl propanoate is hydrolysed with NaOH(aq), propanol and propanoic acid are produced.
Nothing occurs when propanenitrile is reacted with dilute sulfuric acid and heated under reflux.
Which one gives a positive result?
propanone + warm acidified potassium dichromate(VI)
butanal + alkaline iodine
ethanol + sodium hydroxide
ethanol + alkaline iodine
What is the most suitable reagent that can be used for a saturation test?
Br2(aq)
HCl
H2O(g)
NaOH(aq)
Which alcohol is the most acidic?
2-methylpropan-2-ol
methanol
ethanol
propan-2-ol
Which statement about the electrophilic addition of alkenes is correct?
The carbocation acts as a nucleophile.
A small molecule is produced.
Two molecules combine to produce a larger molecule.
A single covalent bond is converted to a double covalent bond.
