Name: Micelles
Uploaded: 2019-07-19
Duration: 5 min 52 s
Description: In daily life, we use soaps and detergents. But have you ever thought about how their cleansing action takes place? Let’s explore the complete mechanism and...

Question

An organic compound 'X' is a liquid at room temperature. It is also a very good solvent and has the molecular formula

C_{2} H_{6} O

. On oxidation 'X' gives 'Y' which give, brisk effervescence on reacting with

{NaHCO}_{3}

. X reacts with Y in the presence of conc.

H_{2} {SO}_{4}

to give another compound 'Z' which has a pleasant smell. Identify X, Y and Z. Also write chemical equations to show the formation of Y and Z.

Accepted Answer

Compound 'X' having formula $C_{2} H_{6} O$ is ethanol which on oxidation gives ethanoic acid $({CH}_{3} COOH)$ 'Y'.

$\underset{Ethanol}{{CH}_{3} {CH}_{2} {OH}_{(l)}} + 2 [O] \overset{alkaline {KMnO}_{4}}{\to} \underset{Ethanoic acid}{{CH}_{3} {COOH}_{(aq)}} + \underset{Water}{H_{2} O_{(l)}}$

Ethanoic acid 'Y' on reaction with ${NaHCO}_{3}$ gives sodium ethanoate and brisk effervescence of carbon dioxide.

$\underset{Ethanoic acid}{{CH}_{3} {COOH}_{(l)}} + \underset{Sodium bicarbonate}{{NaHCO}_{3}_{(s)}} \to \underset{Sodium ethanoate}{{CH}_{3} {COONa}_{(aq)}} + \underset{Carbon dioxide}{{CO}_{2}_{(g)}} + \underset{Water}{H_{2} O_{(l)}}$

'X' ethanol and 'Y' ethanoic acid reacts in the presence of concentrated $H_{2} {SO}_{4}$ to give ethyl ethanoate $({CH}_{3} {COOC}_{2} H_{5})$ , an ester which is having a pleasant smell.

$\underset{Ethanoic acid}{{CH}_{3} {COOH}_{(l)}} + \underset{Ethanol}{C_{2} H_{5} {OH}_{(l)}} \overset{Conc . H_{2} {SO}_{4}}{\to} \underset{Ethyl ethanoate}{{CH}_{3} {COOC}_{2} {H_{5}}_{(aq)}} + \underset{water}{H_{2} O_{(l)}}$ .

Therefore, X is ethanol, Y is ethanoic acid and Z is ethyl ethanoate.

Important Questions on Carbon and Its Compounds

Learn and Prepare for any exam you want !