Write the equation and name the following reactions :

(i) Acetic acid with red phosphorus and chlorine.

(ii) Acetaldehyde with aluminium ethoxide.

(iii) Phenol with acetyl chloride in the presence of AlCl₃.

(iv) Benzaldehyde with concentrated sodium hydroxide.

How can the following conversions be brought about:

(i) Ethanol to methylamine.

(ii) Benzene to phenol.

Give one good chemical test to distinguish between the following pairs of compounds:

(i) Methanal and ethanal.    
ii) Urea and benzoic acid

How can the following conversions be brought about:
(i) Glycerol to formic acid
(ii) Chlorobenzene to phenol 
(iii) Diethyl ether to ethanol 
(iv) Phenol to aniline.

How can the following conversions be brought about:
(i) Acetic acid to methyl cyanide. 
(ii) Acetaldehyde to formaldehyde. 
(iii) Nitrobenzene to 2, 4, 6 tribromoaniline.

 Give balanced equations for the following reactions:   

(i) Formic acid heated with Tollen’s reagent.

(ii) Phenol heated with chloroform and sodium hydroxide.

(iii) Acetaldehyde reacted with phenyl hydrazine.

(iv) Aniline treated with benzoyl chloride.