(a) A neutral organic compound 'X' (Molecular formula C 2 H 6 O) on reacting with acidified K 2 Cr 2 O 7 gives an organic compound 'Y' which is acidic in nature. 'X' reacts with 'Y' on warming in the presence of conc. H 2 SO 4 to give a sweet smelling compound 'Z'. (i) Identify 'X', 'Y' and 'Z'.…

Question

(a) A neutral organic compound 'X' (Molecular formula C 2 H 6 O) on reacting with acidified K 2 Cr 2 O 7 gives an organic compound 'Y' which is acidic in nature. 'X' reacts with 'Y' on warming in the presence of conc. H 2 SO 4 to give a sweet smelling compound 'Z'. (i) Identify 'X', 'Y' and 'Z'. (ii) Write the chemical equations for the reactions in the conversion of (1) 'X' to 'Y' and (2) 'X' to 'Z'. (iii) State the role of (1) acidified K 2 Cr 2 O 7 in the conversion of 'X' to 'Y' and (2) conc. H 2 SO 4 in the reaction of 'X' and 'Y'. (iv) Name the reaction which occurs when 'Z' reacts with an alkali.

Aicharya · Accepted Answer

(a) (i) X : CH 3 CH 2 OH / Ethyl alcohol / Ethanol Y : CH 3 COOH / Acetic acid / Ethanoic acid Z : CH 3 COOC 2 H 5 / Ethyl ethanoate / Ethyl acetate (ii) (1) C 2 H 5 OH $\xrightarrow{	ext{Acidified K2Cr2O7}}$ CH 3 COOH (2) CH 3 COOH + C 2 H 5 OH $\xrightarrow{	ext{Conc. H2SO4, heat}}$ CH 3 COOC 2 H 5 + H 2 O (iii) (1) Oxidising agent / provides oxygen (2) Dehydrating agent / helps in removing water (iv) Saponification reaction

(a) A neutral organic compound 'X' (Molecular formula C 2 H 6 O) on reacting with acidified K 2 Cr 2 O 7…

Solution