. Which of the following is not a compound

Which of the following is not a compound ?

A: Sugar

B: Ozone

C: Benzene

D: Salt

Best Answer


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


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