Arrange the following in the increasing order of acidity : `CHCl2 COOH`, CCl3COOH`, `CH2ClCOOH`

Arrange the following in the increasing order of acidic character.

Arrange the following oxoacids in decreasing order of acidic strength: HClO, HClO_2, HClO_3,HClO_4 .

Arrange the following compounds in the increasing order of their boiling points : CH_(3)CHO, CH_(3)CH_(2)OH, CH_(3)OCH_(3), CH_(3)CH_(2)CH_(3)

Arrange the following halides in order of increasing S_N2 reactivity : (CH_3)_3 C Cl, CH_3Cl, CH_3Br, CH_3CH_2Cl, (CH_3)_2CHCl

Arrange the following compounds in increasing order of dipole moment. CH_3CH_2CH_3, CH_3CH_2NH_2, CH_3CH_2OH .