Question

Ethanoic acid has a _______ odour.
A. Rotten eggs
B. Pungent
C. Vinegar- like
D. Mild

Answer 1

Hint: We must know about the alternative name of ethanoic acid and also we must understand about the property and uses of ethanoic acid then only we can find the answer.

Complete step by step answer:
Ethanoic acid has a molecular formula of \[C{H_3}COOH\], which looks identical to a very famous acid. Well, ethanoic acid is also known as acetic acid which is widely used in the food industry. It is one of the most important carboxylic acids.
A dilute solution (about 7-8% solution) of acetic acid is known as vinegar.
So, the answer to this question is Vinegar-like. Since vinegar in itself is a dilute solution of acetic acid (ethanoic acid) so Acetic acid has a vinegar-like smell.

Additional Information:
We can use acetic acid widely in many industries some of those are Printing, plastics, textile, food, etc.
In the printing industry the acetic acid is used for the preparation of metal acetates which is used in the printing process.
In plastics the acetic acid is used for making vinyl acetate.
In the textile industry the acetic acid is used for the preparation of cellulose acetate.
Now for the food industry we have a widely used item which is vinegar.
It is the second simplest carboxylic acid after formic acid.

Note: We must know that acetic acid is used in the medical field. The acidic acid injections have been used for treating cancer since the 1800s. And it is injected into a tumor that helps in treating Cancer. It is further used as an antiseptic at 1% dilution with effects on streptococci, staphylococci, pseudomonas, enterococci, and others.