Arrange the following compounds as directed :
(i) In increasing order of solubility in water :
(ii) In decreasing order of basic strength in aqueous solution :
(iii) In increasing order of boiling point :
(i) C6H5NH2 < (CH3)2NH < CH3NH2
(ii) (CH3)2NH > CH3NH2 > (CH3)3N
(iii) (C2H5)3N < (C2H5)2NH < C2H5NH2