values
and 
.
(ii) In increasing order of
basic strength:
and 
.
(iii) In increasing order of basic
strength:
(a) Aniline, p-nitroaniline and
p-toluidine
(b) 
.
(iv) In decreasing order of
basic strength in gas phase:
and 
.
(v) In increasing order of
boiling point:
.
(vi) In increasing order of
solubility in water:
In points (i) to (iv) factors affecting
basic strength similar as intext Q.4.(v) Stronger the intermolecular forces of
attraction, higher is the boiling point. Moreover molecules capable of forming
H-bond also have highboiling point. (vi) Higher the tendency to form H-bond,
more is the solubility. Extent of H-bundling is more in 
amine than in 
and 
amines.
Answer:
(i)
(ii)
(iii) (a) p-nitroaniline<
aniline < p-toluidine.
(b) 
(iv)
(v)
(vi)
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