What is the empirical formula of C6H12O6?

The correct answer would be CH2O,

Explanation:

Empirical Formula of any chemical compound gives us the information about the proportion of the element present in the compound but doesn't tell us about the actual numbers or arrangement of atoms.

C6H12O6 is the formula of Glucose. The empirical formula of Glucose is CH2O. This means that there is one atom of Carbon, 2 atoms of Hydrogen and 1 atom of oxygen is present. It tells us about the ratio of the atoms present in the molecules, like empirical formula of CH2O tells us that the ratio of carbon, hydrogen and oxygen is 1:2:1