Read the pairs given below -
Name : Formula
1. Acetone : $$CH_2OHCHOHCH_2OH$$
2. Ethanal : $$CH_3CHO$$
3. Formaldehyde : $$HCHO$$
4. Glycerol : $$CH_3COCH_3$$

Which of the above pairs are correctly matched?

A

2 and 3 only

B

1 and 4 only

C

2, 3 and 4 only

D

1, 2, 3 and 4