(a) Illustrate the following reaction giving suitable example in each

1.	(a) Illustrate the following reaction giving suitable example in each case: (i) Hoffmann bromamide degradation reaction (ii) Diazotisation (iii) Gabriel phthalimide synthesis (b) Distinguish between the following pairs of compounds: (i) Aniline and N-methylaniline (ii) (CH3)2NH and (CH3)3N OR (a) Write the structures of main products when benzene diazonium chloride (C6H5N2+Cl−) reacts with the following reagents: (i) CuCN/KCN (ii) H2O (iii) CH3CH2OH (b) Arrange the following: (i) C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point (ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength
Answer» (a) Illustrate the following reaction giving suitable example in each case: (i) Hoffmann bromamide degradation reaction (ii) Diazotisation (iii) Gabriel phthalimide synthesis (b) Distinguish between the following pairs of compounds: (i) Aniline and N-methylaniline (ii) $(C H_{3})_{2} N H a n d (C H_{3})_{3} N$ OR (a) Write the structures of main products when benzene diazonium chloride $(C_{6} H_{5} {N_{2}}^{+} C l^{-})$ reacts with the following reagents: (i) CuCN/KCN (ii) $H_{2} O$ (iii) $C H_{3} C H_{2} O H$ (b) Arrange the following: (i) $C_{2} H_{5} N H_{2}$ , $C_{2} H_{5} O H$ , $(C H_{3})_{3} N$ – in the increasing order of their boiling point (ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength

(a) Illustrate the following reaction giving suitable example in each case: (i) Hoffmann bromamide degradation reaction (ii) Diazotisation (iii) Gabriel phthalimide synthesis (b) Distinguish between the following pairs of compounds: (i) Aniline and N-methylaniline (ii) (CH3)2NH and (CH3)3N OR (a) Write the structures of main products when benzene diazonium chloride (C6H5N2+Cl−) reacts with the following reagents: (i) CuCN/KCN (ii) H2O (iii) CH3CH2OH (b) Arrange the following: (i) C2H5NH2, C2H5OH, (CH3)3N – in the increasing order of their boiling point (ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength

Answer»

(a) Illustrate the following reaction giving suitable example in each case:

(i) Hoffmann bromamide degradation reaction

(ii) Diazotisation

(iii) Gabriel phthalimide synthesis

(b) Distinguish between the following pairs of compounds:

(i) Aniline and N-methylaniline

(ii) $(C H_{3})_{2} N H a n d (C H_{3})_{3} N$

(a) Write the structures of main products when benzene diazonium chloride $(C_{6} H_{5} {N_{2}}^{+} C l^{-})$ reacts with the following reagents:

(i) CuCN/KCN

(ii) $H_{2} O$

(iii) $C H_{3} C H_{2} O H$

(b) Arrange the following:

(i) $C_{2} H_{5} N H_{2}$ , $C_{2} H_{5} O H$ , $(C H_{3})_{3} N$ – in the increasing order of their boiling point

(ii) Aniline, p-nitroaniline, p-methylaniline - in the increasing order of their basic strength