Record the following sets of compounds according to increasing `pK_(a) ( = - log Ka)`
Phenol,o-nitrophenol, o-cresol

Record the following sets of compounds according to increasing pK_(a) ( = - log Ka) 1-butyne, 1-butene, butane

Record the following sets of compounds according to increasing pK_(a) ( = - log Ka) Propanoic acid, 3-bromopropanoic acid, 2-nitropropanoic acid

Record the following sets of compounds according to increasing pK_(a) ( = - log Ka) Hexylamine, aniline, methylamine

Arrange the following compounds in the increasing order of acidity and give a suitable explanation. Phenol, o-nitrophenol,o-cresol.

Arrange the following in decreasing order of acidity Phenol, o-nitrophenol, o-cresol