Consider the following pairs.
Name : Formula
1] Ethanal : $$CH_3CHO$$
2] Butan-2-ol : $$CH_3- O - CH_2 - CH_2 - OCH_3$$
3] 1-Bromopropane : $$CH_3CH_2CH_2Br$$
4] 1,2-Dimethoxyethane : $$CH_3 - CH(OH) - CH_2 - CH_3$$
Which of the above pairs are correctly matched?

A

1 and 3 only

B

1 and 4 only

C

2 and 3 only

D

2 , 3 and 4 only