# Arrange the following

Question:

Arrange the following compounds in order of decreasing acidity :

1. $\mathrm{II}>\mathrm{IV}>\mathrm{I}>\mathrm{III}$

2. $\mathrm{I}>\mathrm{II}>\mathrm{III}>\mathrm{IV}$

3. $\mathrm{III}>\mathrm{I}>\mathrm{II}>\mathrm{IV}$

4. $\mathrm{IV}>\mathrm{III}>\mathrm{I}>\mathrm{II}$

Correct Option: , 3

Solution: