Which of the following is a functional group isomer of CH3CH2CHO ?
(a) CH3 -CH2 -CH2-OH
(b) CH₃-O-CH₂ -CH₃
(c) CH3 -CH2 -CO -CH3
(d) CH3-CH2 -COOH
(e) CH3-CO-CH3
.

Question

Which of the following is a functional group isomer of CH3CH2CHO
?
(a) CH3 -CH2 -CH2-OH
(b) CH​3-O-CH2
-CH3​
(c) CH3​ -CH2 -CO -CH3
(d) CH3-CH2 -COOH
(e) CH3-CO-CH3

Akanksha C. · Accepted Answer

Dear Student,

The given compound is propanal with formula
CH3CH2CHO and its functional isomer is
acetone CH3COCH3

The correct option is 6) CH3COCH3

CH3CH2CHO

Total number of hydrogen = 6
Total number of oxygen = 1
Total number of carbon = 3

Compound
Total number of Hydrogen
Total number of Carbon
Total number of Oxygen

CH3 -CH2 -CH2-OH
8
3
1

CHâ€‹3-O-CH2 -CH3â€‹
8
3
1

CH3â€‹ -CH2 -CO -CH3
8
4
1

CH3-CH2 -COOH
6
3
2

CH3COCH3
6
3
1

Regards

Compound	Total number of Hydrogen	Total number of Carbon	Total number of Oxygen
CH3 -CH2 -CH2-OH	8	3	1
CH3-O-CH2 -CH3	8	3	1
CH3 -CH2 -CO -CH3	8	4	1
CH3-CH2 -COOH	6	3	2
CH₃COCH₃	6	3	1

Which of the following is a functional group isomer of CH3CH2CHO ? (a) CH3 -CH2 -CH2-OH (b) CH​3-O-CH2 -CH3​ (c) CH3​ -CH2 -CO -CH3 (d) CH3-CH2 -COOH (e) CH3-CO-CH3 .

Which of the following is a functional group isomer of CH3CH2CHO ?
(a) CH3 -CH2 -CH2-OH
(b) CH₃-O-CH₂ -CH₃
(c) CH3 -CH2 -CO -CH3
(d) CH3-CH2 -COOH
(e) CH3-CO-CH3
.