Aldehydes Ketones and Carboxylic Acids Test

Result

Aldehydes Ketones and Carboxylic Acids Test - 1

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Weekly Quiz Competition

Question 1
1 / -0

IUPAC name of CH₃CHO is

A
Ethanal

B
None of the above

C
Acetaldehyde

D
Formaldehyde

Solution

Explanation:

CH₃CHO is ethanal
Question 2
1 / -0

CH₃CH(OCH₃)CHO is called

A
Methoxypropionaldehyde

B
None of these

C
2 – Methoxypropanal

D
Methoxypropionaldehyde and 2 – Methoxypropanal

Solution

Explanation:

This is Methoxypropionaldehyde or 2 – Methoxypropanal
Question 3
1 / -0

The carbonyl carbon atom

A
sp² – hybridised

B
forms three sigma (σ) bonds

C
All of these

D
forms a π – bond with oxygen

Solution

Explanation:

R₁R₂C = O is carbonyl so 3 sigma bond and 1 pie bond.
Question 4
1 / -0

Ozonolysis of alkenes followed by reaction with zinc dust and water gives depending on the substitution pattern of the alkene

A
ketone

B
a mixture of both aldehyde and ketone

C
aldehyde

D
any of these

Solution

Explanation:

Reductive ozonolysis yields aldehyde or ketone.
Question 5
1 / -0

Esters react with DIBAL – H to produce

A
Carboxylic acids

B
Aldehydes

C
None of these

D
Ketones

Solution

Explanation:

Esters are reduced to aldehydes with DIBAL-H.