The correct increasing order of boiling point for the following alcohols is :

The decreasing order of boiling points of the following alcohols is

The decreasing order of boiling points of the following alcohols is

The correct ircreasing order of boiling points of the following compounds is

Which is the correct increasing order of boiling points of the following compounds- 1-iodobutane, 1-bromobutane, 1-chlorobutane, butane