Arrange the following: (i) In decreasing order of the `pK_(b)` values: `C_(2)H_(5)NG_(2),

Arrange the following: (i) In decreasing order of the pK_(b) values: C_(2)H_(5)NH_(2),C_(6)H_(5)NHCH_(3),(C_(2)H_(5))_(2)NHandC_(6)H_(5)NH_(2) (ii) In increasing order of basic strength: C_(6)H_(5)NH_(2),C_(6)H_(5)N(CH_(3))_(2),(C_(2)H_(5))_(2)NH andCH_(3)NH_(2) (iii) In increasing order of basic strength: (a) Aniline, p-nitroaniline and p-toluidine (b) C_(6)H_(5)NH_(2),C_(6)H_(5)NHCH_(3),C_(6)H_(5)CH_(2)NH_(2) (iv) In decreasing order of basic strength in gas phase: C_(2)H_(5)NH_(2),(C_(2)H_(5))_(2)NH,(C_(2)H_(5))_(3)NandNH_(3) (v) In increasing order of boiling point: C_(2)H_(5)OH,(CH_(3))_(2)NH,C_(2)H_(5)NH_(2) (vi) In increasing order of solubility in water: C_(6)H_(5)NH_(2),(C_(2)H_(5))_(2)NH,C_(2)H_(5)NH_(2^.)

(a) Write the structures of the main products of the following reactions : (b) Give a simple chemical test to distinguish between Aniline and N, N-dimethylaniline. (c) Arrange the following in the increasing order of their pK_(b) values : C_(6)H_(5)NH_(2) , C_(2)H_(5)NH_(2), C_(6)H_(5)NHCH_(3)

Arrange the following in the increasing order of their pK_(b) values. C_(6)H_(5)NH_(2), C_(2)H_(5)NH_(2), C_(6)H_(5)NHCH_(3)

Arrange the following in decreasing order of their K_(a) value :