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Aldehyde & Ketone

Total questions: 115

Worksheet time: 1hrs 3mins

Name
Class
Date
1.

Name the compound

(a)  

2.

Ending of carboxylic acid (SPELL IT IN CAPITAL LETTERS)

(a)  

3.

Ending of amides (please spell it in CAPITAL LETTERS)

(a)  

4.

Choose the best reagent in the missing box for carrying out the following reaction

a)

PCC, CH2Cl2

b)

CH3MgBr in ether, then H3O+

c)

m-ClC6H4CO3H

d)

warm H2SO4/H2O

e)

NaOCH3, CH3OH

5.
a)

A

b)

B

c)

C

d)

D

6.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
7.

The following reaction scheme shows how propene can be prepared from propanal in two stages using reagents X and Y. Which of the following are the reagents X and Y?


X Y

CH3CH2CHO → CH3CH2CH2OH → H3CH=CH2

a)

X: LiAlH4 ; Y: KOH, ethanol, reflux

b)

X: NaBH4 ; Y: conc.H2SO4, heat

c)

X: dillute H2SO4 ; Y: conc.ethanol, reflux

d)

X: dillute H2SO4 ; Y: KOH, ethanol, reflux

8.
What is the name of this carbonyl compound?
a)
pentan-2-one
b)
hexan-5-one
c)
pentan-3-one
d)
hexan-2-one
9.

Which one of these is an carboxylic acid

a)
b)
c)
10.

The addition of HCN to carbonyl compounds is an example of

a)

(a) nucleophilic addition

b)

(b) electrophilic addition

c)

(c) free radical addition

d)

(d) electromeric addition

11.

Which of the following is not a carbonyl compound?

a)
b)
c)
d)
12.

What is this?

a)

Aldehyde

b)

Ketone

c)

Esther

d)

Carboxylic acid

13.

Which substance would test positively with 2,4-DNPH but negatively with Tollens’ reagent?

a)

Propanal

b)

Propanone

c)

Propanoic acid

d)

1-propanol

14.
What is the name of this carbonyl compound?
a)
pentan-2-one
b)
hexan-5-one
c)
pentan-3-one
d)
hexan-2-one
15.

The structure of 4-hydroxyl-3-methylhexanal is :

a)
b)
c)
d)
16.

Name the compound

(take your time, write in lower case)

(a)  

17.
These types of compounds contain oxygen in their chemical structure
a)
ketones, alkanes and amines
b)
amides, aldehydes and ethers
c)
carboxylic acids, alcohols and halocarbons, amines and esters
d)
alcohols, ketones and alkenes
18.

Give the IUPAC name for the following compound

a)

2-methyl-3-butanone

b)

3-methyl-3-butanone

c)

3-methyl-2-butanone

d)

3-methylbutanone

19.

Name this compound

a)

3-chloro-2-propanone

b)

3-chloro-1-methylpropanone

c)

4-chloro-2-butanone

d)

4-chloro-butanone

20.
When reacted with a strong reducing agent, aldehydes turn into
a)
carboxylic acids
b)
ketones
c)
primary alcohols
d)
secondary alcohols
21.

What is this? (write the functional group in lowercase)

(a)  

22.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
23.
a)

A

b)

B

c)

C

d)

D

24.
a)

A

b)

B

c)

C

d)

D

25.
a)

A

b)

B

c)

C

d)

D

26.

The ending of amines is "amine"?

Type YES or NO depending on your answer

(a)  

27.

To convert toulene to benzaldehyde reaction used is

a)

Gattermann koch

b)

Etard 's reaction

c)

Rosen mund

d)

aldol

28.

Which reagent would you choose to convert 1-pentanol to pentanal?

a)

PCC in CH2Cl2

b)

K2Cr2O7 with aqueous H2SO4

c)

KMnO4 with aqueous H2SO4

d)

KOH, ethanol, reflux

29.

Which of the following is used in Rosenmund reduction?

a)

LiAlH4

b)

H2 /Pd-BaSO4

c)

Na/Ethanol

d)

NaBH4

30.

What is the general formula for KETONE ?

a)

CnH2nO

b)

CnH2n+2O

c)

CnH2n+2O2

d)

CnHnO

31.

Ending of a ketone

(spell it in lower case)

(a)  

32.

Give the IUPAC name for the following compound

a)

2-methyl-3-butanone

b)

3-methyl-3-butanone

c)

3-methyl-2-butanone

d)

3-methylbutanone

33.

Is a linkage between a carbonyl group (C=0)

and a nitrogen atom

a)

Amine

b)

Amide

c)

Carboxylic acid

d)

Ester

34.
Select carbonyl compounds from the following formulae:
a)
C4H10O
b)
C4H8O
c)
C4H8O2
d)
C4H8
35.

When there are 2 carboxylic acids in a carbon chain

an ending is used called...

a)

DIC

b)

DIOIC

c)

DUOIC

d)

TRIOIC

36.

Which of the following is NOT a carbonyl compound?

a)
b)
c)
d)
37.
Choose a daily-life application of ketones
a)
used in rubber industries
b)
active ingredient in nail polish remover
c)
preserving tissues
d)
to make adhesives
38.

The oxidation of toluene to benzaldehyde by chromyl, chloride is called

a)

(a) Etard reaction

b)

(b) Riemer-Tiemann reaction

c)

(c) Wurtz reaction

d)

(d) Cannizzaro’s reaction

39.

Name this carbonyl compound according to IUPAC nomenclature:

a)

3-benzyl-3,3-methylbutanone

b)

3-methyl-3-phenyl-2-butanone

c)

4-phenyl-3,3-dimethylbutanone

d)

1-phenyl-3,3-dimethylbutanone

40.
The name of this compound is:
a)
heptan-2-one
b)
2-hexanone
c)
2-heptanone
d)
pentan-2-one
41.

Choose correct statement/statements for reaction

a)

all aldehydes undergo cannizarro reaction

b)

aldehydes without alpha hydrogen undergo cannizaro reaction

c)

formldehyde gives this reaction

d)

benzaldehyde gives this reaction

42.

What is the name for the compound shown?

a)

5-iodopentan-3-one

b)

5-iodopentan-2-one

c)

1-iodopentan-3-one

d)

1-iodopentan-2-one

43.
The name of this compound is:
a)
3-chloro-2-oxopentanal
b)
3-chloro-pentan-4-one
c)
3-chloro-4-oxopentanal
d)
3-chloro-4-pentanone
44.

An organic compound X has the following chemical properties.

· Forms a yellow precipitate when tested with 2,4-dinitrophenylhydrazine.

· Forms a yellow precipitate when it reacts with an excess iodine in alkaline solution.

Which of the following compounds is X?

a)
b)
c)
d)
45.

Give the IUPAC name for the following compound

a)

2-methyl-3-butanone

b)

3-methyl-3-butanone

c)

3-methyl-2-butanone

d)

3-methylbutanone

46.

What are the isomers for carbonyl compounds with molecular formula C5H10O?

a)

pentanal

b)

2-pentanone

c)

3-methyl-2-butanone

d)

3-pentanone

47.
This is not a use of ethers:
a)
anesthetics in hospitals
b)
solvents in industries
c)
to make hand sanitizers
d)
as fuel
48.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
49.

What is the general formula for KETONE ?

a)

CnH2nO

b)

CnH2n+2O

c)

CnH2n+2O2

d)

CnHnO

50.
These are examples:
a)
ethers
b)
aldehydes
c)
ketones
d)
aromatics
51.

What is the different of structural formula between aldehydes and ketones?

a)

In aldehyde, hydrogen is attach to carbon at carbonyl functional grouo

b)

In ketone, carbonyl functional group is in between the carbon atom

c)

In ketone, hydogen is attach to carbon at carbonyl functional group

d)

In aldehyde, carbonyl functional group is in between the carbon atom

52.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
53.

Which of the following is not a carbonyl compound?

a)
b)
c)
d)
54.

identify reaction

a)

aldol

b)

cannizarro

c)

rosenmund

d)

etard

55.

What will be formed if butanone is reacted with LiAlH4 in dry ether?

a)

Butanoic acid

b)

Butan-1-ol

c)

Butan-2-ol

d)

Butanal

56.

Why aldehyde is more reactive than ketone?

a)

Aldehyde has two groups of electron donating group attach to it

b)

Aldehyde is less sterically hindered than ketone

c)

Aldehyde is more sterically hindered than aldehyde

d)

Aldehyde has one group of electron donating group attach to it

57.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
58.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
59.
Name this carbonyl compound according to IUPAC nomenclature:
a)
3-benzyl-3,3-methylbutanone
b)
3,3-dimethyl-4-phenylbutanone
c)
4-phenyl-3,3-dimethylbutanone
d)
1-phenyl-3,3-dimethylbutanone
60.
Select carbonyl compounds from the following formulae:
a)
C4H10O
b)
C4H8O
c)
C4H8O2
d)
C4H8
61.

Is this a ketone?

a)

YES

b)

NO

62.
The name of this compound is:
a)
heptan-2-one
b)
2-hexanone
c)
2-heptanone
d)
pentan-2-one
63.

Esters ending

a)

-ATE

b)

-OATE

c)

-ESTER

d)

never heard about that play, i assume the end is tragic

64.
What is the name of this carbonyl compound?
a)
pentan-2-one
b)
hexan-5-one
c)
pentan-3-one
d)
hexan-2-one
65.
a)

A

b)

B

c)

C

d)

D

66.
In this type of compounds, the carbonyl group is always carbon #1
a)
ketones
b)
ethers
c)
aldehydes
d)
alkanes
67.

Acetone reacts with HCN to form a cyanohydrin. It is an example of

a)

Electrophilic addition

b)

Electrophilic substituition

c)

Nucleophilic addition

d)

Nucleophilic substituition

68.

Ending of aldehydes

a)

al

b)

el

c)

ol

d)

an

69.
The name of this compound is:
a)
3-bromochlorobenzyl
b)
ortho-bromochlorobenzene
c)
3-chlorobromophenyl
d)
meta-bromochlorobenzene
70.

Name the compound

a)

none of the mentioned

b)

N,N-dimethylmethanamide

c)

N,N-dimethylethanamide

71.

Name the reaction mechanism to form X.

a)

Nucleophilic substitution

b)

Electrophilic addition

c)

Nucleophilic addition

d)

Electrophilic substitution

72.
a)
b)
c)
d)
73.
Which of the following groups can be classified as carbonyls?
a)
aldehydes
b)
ketones
c)
esters
d)
aldehydes and ketones
74.
The name of this compound is:
a)
heptan-2-one
b)
2-hexanone
c)
2-heptanone
d)
pentan-2-one
75.
Predict the product of the following reaction
a)
A
b)
B
c)
C
d)
D
76.

Name this molecule:

a)

Pentanoic acid

b)

2-hydroxy-2-methylbutan3-one

c)

3-hydroxy-3-methylbutane-2-one

d)

2-oxo-3-methylbutan-3-ol

77.

Name the compound

a)

N-methylpropanamine

b)

N-methylethanamine

c)

N-propylmethanamine

78.
Match the following formulas
a)
ketone, aldehyde, carbonyl group
b)
carbonyl group, aldehyde, ketone
c)
aldehyde, carbonyl group, ketone
d)
carbonyl group, ketone, aldehyde
79.

what is the correct name for the following compound?

a)

2-methylbutan-3-one

b)

2-methylbutanone

c)

3-methylbutan-2-one

d)

3-methylpropan-2-one

80.

The only aldehyde that gives positive result with I2/NaOH is

a)

Butanal

b)

2-methylpropanal

c)

Ethanal

d)

Propanal

81.

Which functional group represent the aldehyde group.

a)

R-OH

b)

R-CHO

c)

R-COOH

d)

R-O-R

82.
a)

A

b)

B

c)

C

d)

D

83.
Name this carbonyl compound according to IUPAC nomenclature:
a)
3-benzyl-3,3-methylbutanone
b)
3,3-dimethyl-4-phenylbutanone
c)
4-phenyl-3,3-dimethylbutanone
d)
1-phenyl-3,3-dimethylbutanone
84.

Which functional group exists in aldehydes?

a)
b)
c)
d)
85.
The name of this compound is:
a)
ethoxycyclohexane
b)
ethoxybenzene
c)
methoxycyclohexane
d)
methoxybenzene
86.
a)

A

b)

B

c)

C

d)

D

87.
What functional groups are in the following molecule:
a)
aldehyde and ketone
b)
ketone and ester
c)
aldehyde and ether
d)
ketone and ether
88.

Which of the following reactions will give benzolphenone?

(i) Benzoyl chloride + Benzene + AlCl3

(ii) Benzoyl chloride + Phenylmagnesium bromide

(iii) Benzoyl chloride + Diphenyl cadmium

a)

(a) (i)and(ii)

b)

(b) (ii) and (iii)

c)

(c) (i) and (iii)

d)

(d) (i), (ii) and (iii)

89.

Name this molecule:

a)

Propanone

b)

Propanal

c)

Butanone

d)

Butanal

90.

Is this compound called butanoic acid?

a)

NO

b)

YES

c)

im tired

91.

Carbonyl compound CANNOT be synthesised through

a)

ozonolysis of alkenes

b)

oxidation of 1° alcohols

c)

oxidation of 2° alcohols

d)

esterification

92.
Classify the compound based on the functional group present.
a)
aldehyde
b)
ketone
c)
carboxylic acid
d)
ester
93.

There is a large difference in the boiling points of butanal and butanal-1-ol due to

a)

(a) intermolecular hydrogen bonding in butan-1-ol

b)

(b) intermolecular hydrogen bonding in butanal

c)

(c) higher molecular mass of butan-1-ol

d)

(d) resonance shown by butanal

94.

The name of this compound is:

a)

4-pentanone

b)

pentanone

c)

2-hexanone

d)

2-pentanone

95.
a)

A

b)

B

c)

C

d)

D

96.
a)

A

b)

B

c)

C

d)

D

97.

Choose the correct name of this molecule.

a)

propanol

b)

propanal

c)

propanone

d)

butanone

98.

Compounds which do not undergo Crossed aldol condensation are -

a)

Formaldehyde and Acetaldehyde

b)

Acetaldehyde and Propionaldehyde

c)

Formaldehyde and Acetone

d)

Formaldehyde and Benzaldehyde

99.

Acetophenone is prepared from

a)

Friedel craft reaction

b)

Rosenmund reaction

c)

Sandmayer reaction

d)

Wurtz reaction

100.

Which one is the formula of ethanal?

a)
b)
c)
d)
101.

Are they soluble in water (for low molecular weight)?. Explain.

a)

No, because they are polar compound

b)

Yes, because they are polar compound

102.

What is the name of the mechanism when KCN (in acidic conditions) reacts with propanal?

a)

Free radical substitution

b)

Nucleophilic substitution

c)

Nucleophilic addition

d)

Electrophilic addition

103.

The correct order of acidic strength of carboxylic acids is

a)

Formic acid < benzoic acid < acetic acid

b)

Formic acid < acetic acid < benzoic acid

c)

Acetic acid < Formic acid < benzoic acid

d)

Acetic acid < benzoic acid < Formic acid

104.

When reacted with a strong oxidising agent, aldehydes turn into

a)

carboxylic acids

b)

ketones

c)

primary alcohols

d)

secondary alcohols

105.

What is the positive observation for Tollens’ test?

a)

brick red precipitate

b)

silver mirror precipitate

c)

light yellow precipitate

d)

yellow or orange precipitate

106.

The product formed in Aldol condensation is

a)

an alpha, beta - unsaturated ester

b)

a beta hydroxy acid

c)

a beta hydroxy aldehyde or ketone

d)

an alpha hydroxy aldehyde or ketone

107.

Which one is the formula of ethanal?

a)
b)
c)
d)
108.

The product formed in Aldol condensation is

a)

an alpha, beta - unsaturated ester

b)

a beta hydroxy acid

c)

a beta hydroxy aldehyde or ketone

d)

an alpha hydroxy aldehyde or ketone

109.

Choose the name reaction that produces benzaldehyde from Toluene and Chromyl chloride.

a)

Aldol condensation

b)

Gattermann Koch reaction

c)

Etard reaction

d)

Clemmensen reduction

110.

What is the reagent for Fehling’s test?

a)

2,4-dinitrophenylhydrazine

b)

excess I2, NaOH

c)

Cu2+, OH-

d)

[Ag(NH3)2]+, OH-

111.

Why they have higher boiling points compared to ether and hydrocarbon?

a)

The intermolecular forces between the molecules are hydrogen bonds

b)

The intermolecular forces between their molecules are dipole-dipole interactions

c)

The intermolecular forces between the molecules are covalent bonds

112.

Which one is the formula of ethanal?

a)
b)
c)
d)
113.
Aldehyde reacts with Tollen's reagent forming:
a)
Yellow precipitate
b)
Brick-red precipitate
c)
Purple solution
d)
Silver mirror
114.
Propanone is very soluble in water because
a)
it is non-polar
b)
it can form hydrogen bond with water molecule
c)
water is a polar solvent
d)
the dipole-dipole interactions are weak between propane and water
115.

2-butanol heated with acidified KMnO4 solution produced

a)

butanone

b)

butanoic acid

c)

butene

d)

butane

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