Aldehyde

Q.

What is the name of functional group -COOH?

1. Aldehyde

2. Ketone

3. Carboxylic acid

4. Alcohol

Q.

Write the structure of the functional group that belongs to the following classes: [5 MARKS]
(Any Five)
(i) Alcohol
(ii) Aldehyde

(iii) Ketone
(iv) Carboxylic acid
(v) Ester
(vi) Ether

Q.

What is name of functional group -CHO?

1. Alcohol

2. Aldehyde

3. Ketone

4. Carboxylic acid

Q.

The functional group present in ethanol is:

1. >C=0

2. 

3. -OH

4. -CHO

Q. Name the functional group present in propanone.

1. Halogen
2. Ketone
3. Aldehyde
4. Alcohol

Q. What are halogens, ketones, alcohol, aldehydes, carboxylic acid ?

Q. Identify the functional group in the given compound.

1. Alcohol
2. Ketone
3. Aldehyde
4. Ether

Q. Write the name and formula of the second member of the group of carbon compounds having the functional group - OH

Q.

The given compound belongs to the family of

1. Ketones

2. Aldehydes

3. Alcohols

4. Carboxylic acid

Q.

The IUPAC name of the given compound is

1. Hexanone

2. Hexanoic acid

3. Hexanal

4. Hexanol

Q. Question 26
The name of the compound ${\text{CH}}_3-{\text{CH}}_2-\text{CHO}$

(a) Propanal
(b) Propanone
(c) Ethanol
(d) Ethanal

Q. Identify the functional group present in the following compounds

Q. Ethanal is also called as acetaldehyde.

1. True
2. False

Q.

Which of the following contains alcoholic group?

1. H-O-CH₃

2. CH₃-C(CH₃)OH

3. All the above

4. CH₂=CH-CH₂-OH

Q. (a) Write the formula of the functional group present in carboxylic acids.
(b) Name the functional group present in figure
(c) Name the functional groups present in the following compounds:
(i) CH₃CHO
(ii) CH₃CH₂COOH
(iii) CH₃COCH₃
(iv) CH₃CH₂CH₂OH

Q. The IUPAC nomenclature of the given compound is .

1. methanal
2. methanol
3. methane

Q. Name the functional group present in propanone.

1. Halogen
2. Ketone
3. Aldehyde
4. Alcohol

Q. The functional group present in the given compound is _________.

1. alcohol
2. carboxylic acid
3. aldehyde
4. ketone

Q. Write the structural formulae and IUPAC name of second and third homologues.