Question

Identify the term or substance based on their descriptions given below:
Ice like crystals formed on cooling an organic acid sufficiently.

Answer 1

Identify the meaning of organic acids. These acids have the characteristic $-COOH$ group attached. Now try to understand the appearance of these acids. The acid which upon freezing forms crystals like ice and looks like a glacier will be the correct answer to the question.

Complete step by step solution:
Organic acids are in general considered to be weak acids due to relatively less stable conjugate base in comparison to a mineral acid.
Acetic acid converts into crystals at $264.7$ $K$. The appearance of solid acetic acid is like that of a glacier made of ice. This is the reason why pure acetic acid is also called glacial acetic acid based on its appearance.
The structure of acetic acid is :

Additional information: In chemistry, organic compounds are chemical compounds containing carbon-hydrogen bonds in simple terms. Along with carbon and hydrogen, organic compounds contain atoms like oxygen, nitrogen and halogens( Cl, Br, I, F).
The study of properties, reactions and their mechanisms and their synthesis is known as organic chemistry. Till now we have found and synthesised millions of organic compounds due to the catenation property of carbon.

Note: It is important to know that the name acetic acid is the common name for the acid. The IUPAC name for it is ethanoic acid. This is because it is a derivative of the two-carbon alkane ethane.