Aldehydes Ketones and Carboxylic Acids - Online Test

Q1. IUPAC name of CH3CHO is
Answer : Option B
Explaination / Solution:

CH3CHO is ethanal
Q2.

Give IUPAC names of the following compound:

CH3CH2CH2(Br)CH(CH3)CHCH2CHO


Answer : Option A
Explaination / Solution:

The IUPAC of the above compound will be more clear if we open up the structure:

The structure of above compounds is:

Hence the IUPAC name of above compound is 4-Bromo-3-methylheptanal.


Q3. Give the name of the following compound:
Answer : Option C
Explaination / Solution:

This is vanillin.

Q4. Give IUPAC names of the following compound:
Answer : Option B
Explaination / Solution:

This is 1-phenyl propan-1-one.

Q5. The following compound is called
Answer : Option A
Explaination / Solution:

This is 4 – nitrobenzenecarbaldehyde and 4 – nitrobenzaldehyde

Q6. CH3CH(OCH3)CHO is called
Answer : Option C
Explaination / Solution:

This is Methoxypropionaldehyde or 2 – Methoxypropanal

Q7. The carbonyl carbon atom
Answer : Option C
Explaination / Solution:

R1R2C=O is carbonyl so 3 sigma bond and 1 pie bond.
Q8. Prop – 2 – enal is called
Answer : Option C
Explaination / Solution:



this is Acrolein.
Q9. Ozonolysis of alkenes followed by reaction with zinc dust and water gives depending on the substitution pattern of the alkene
Answer : Option D
Explaination / Solution:

Reductive ozonolysis yields aldehyde or ketone.

Q10. Esters react with DIBAL – H to produce
Answer : Option C
Explaination / Solution:

Esters are reduced to aldehydes with DIBAL-H.