Which chemical compound is most likely inorganic?

The chemical compound that is called inorganic.

Explanation:

The substances which we use are mainly classified into two categories depending upon its source:

Organic Inorganic

Organic substances

They are the substances that are obtained from plants and animals.

They are organic.

Example : In apples, there is an organic acid "Malic acid ".

Inorganic substances

They are those that are obtained from minerals present in earth surface.

For example:

Sulphuric acid, nitric acid etc