How are ketones prepared?

1
CHEMISTRY DEPARTMENT WAID ACADEMY
ALDEHYDES AND KETONES
2
How are ketones prepared?

1. Oxidation of an aldehyde.
2. Oxidation of a primary alcohol.
3. Oxidation of a secondary alcohol.
4. Oxidation of a tertiary alcohol.

3
Which of the compounds shown will be formed by
the oxidation of 2-methylbutan-1-ol.

1. A.
2. B.
3. C.
4. D.

4
What would be seen when compounds X and Y shown
below were both reacted with Fehling's solution.
X
Y

1. Both solutions give an orange-red precipitate.
2. Only solution X gives an orange-red precipitate.
3. Only solution Y gives an orange-red precipitate.
4. Neither solution reacts with the Fehling's
   solution.

5
Propanal can be oxidised to propanoic acid by
warming with Fehling's solution.The ion-electron
equation for the reduction reaction is-

1. A.
2. B.
3. C.
4. D.

6
Compound X ,C3H8O, is readily oxidised when
heated with acidified potassium permanganate
solution to form compound Y, C3H6O. Compound Y
resists further oxidation.

1. Compound X is a primary alcohol and compound Y an
   aldehyde.
2. Compound X is a secondary alcohol and compound Y
   an aldehyde.
3. Compound X is a primary alcohol and compound Y a
   ketone.
4. Compound X is a secondary alcohol and compound Y
   a ketone.

7
The compound shown below can be formed by the
oxidation of.

1. A.
2. B.
3. C.
4. D.

8
Which of the following shows the names of two
compounds both of which can be oxidised to
butanoic acid?

1. Butan-2-ol and butanone.
2. Butan-2-ol and butanal.
3. Butan-1-ol and butanone.
4. Butan-1-ol and butanal.

9
A compound, X, of molecular mass 58 is oxidised
forming an alkanoic acid.Compound X is

1. Propan-1-ol.
2. Propan-2-ol.
3. Propanal.
4. Propanone.

10
Which of the compounds shown is 3-methyl pentanal?

• A.
• B.
• C.
• D.

11
Name the compound formed when CH3CH2CH(OH)CH3 is
oxidised.

1. Butanoic acid.
2. Butanal.
3. Butanone.
4. Butan-1-ol.