. Which of the following is not a compound

Best Answer

Explanation: 

A pure substance is seen to be found in two forms, namely Element and Compound.

Element: These are the simplest of all chemical substances in which all the constituting atoms are the same.

Compound: The chemical substances made up of two or more elements which are bound/ held together by chemical bonds in a fixed ratio.

The chemical formula for all the options given in the question are:

Sugar : C₁₂H₂₂O₁₁

Ozone : O₃

Benzene : C₆H₆

Salt : NaCl

Since, Ozone is made up of 3 identical atoms of oxygen, it is not a compound but an element.

Final Answer: The correct option id B: Ozone