CM8001

a. C6(H20)6
b.
c. No, different sweetness. Different isomers of fructose have different chemical properties and likely to have different degree of sweetness.

It is simply not possible for something to be free of chemicals. Water is a chemical too. There may be chemicals that exist in the soil that the crops are being grown in. Hence, even though they are organic, they are not chemical free.

Certified organic food must be grown on land that has not been treated with prohibited substances for 36 months, but many pesticides and metals remain in the soil for longer than 3 years.

Chemical free products are just a gimmick for you to pay more. Chemical properties are the same for the same chemical, even though it may come from a man-made source.