Write the structures of main products when benzene diazonium chloride reacts with the following reagents:
(i) CuCN
(ii) `CH_(3)CH_(2)OH`
(iii) KI

Write the structure of the main products when ethanal (CH_(3)CHO) reacts with the following regents : (i) HCN , (ii) NH_(2)-NH_(2)//H^(+) , (iii) LiAlH_(4)

(a) Write the structures of main products formed when aniline reacts with the following reagents: (i) Br_(2) water (ii) HCI (iii) (CH_(3)CO) _(2) O/pyridine (b) Arrange the following in the increasing order of their boiling point: C_(2)H_(5)NH_(2), C_(2)H_(5)OH, (CH_(3)) _(3)N (c) Give a simple chemical test to distinguish between the following pair of compounds: (CH_(3)) _(2)NH and (CH_(3)) _(3)N

Write the main products when benzene diazonium chloride (C_(6)H_(5)N_(2)^(+)Cl^(-)) reacts with the following: (i) CuCN//KCN (ii) H_(2)O (iii) CH_(3)CH_(2)OH (iv) Copper powder/HCl

(a) Write the structures of main products formed when benzene diazonium chloride (C_(6)H_(5)N_(2)""^(+)Cl^(-)) reacts with following reagents: (i) CuCN/KCN (ii) H_(2)O (iii) CH_(3)CH_(2) OH (b) Arrange the following: (i) C_(2)H_(5)NH_(2), C_(2)H_(5)OH, (CH_(3)) _(3)N : in increasing order of their boiling point. (ii) Aniline, p-nitroaniline, p-methylaniline in the increasing order of their basic strength.

Write the structures of the main products when CH_(3)CH_(2)CHO reacts with the following reagents : (i) Zn-Hg//"Conc".HCl , (ii) H_(2)N-OH//H^(+) , (iii) HCN