Which of the following substances does NOT contain carbon in its chemical composition?
Water
DNA, carbohydrates and proteins are all organic compounds built around a carbon skeleton, whereas water (H2O) contains no carbon at all. Hence, the correct answer is Water.
Similar Questions
Consider the following statements and select the correct option.
Statement A: Addition reactions occur when two or more reactants combine to form a single product.
Statement B: Alkenes and alkynes commonly undergo addition reactions.
Which of the following carbon compounds shows the presence of a branched chain structure?
A chemist is designing a synthetic route for a new medicine and must select a carbon compound as the starting material. Which property of carbon allows it to form a wide variety of organic molecules suitable for this task?
The IUPAC name for the compound CH3-C(CH3)2-CH2-CH3 is:
Which pair of compounds will show different chemical properties despite having the same molecular formula?
Compounds that differ by a –CH₂– unit belong to which type of chemical grouping?
How did Friedrich Wöhler challenge the vital force theory of organic compound synthesis?
The IUPAC name of the compound CH3 – CH2 – C(CH3)2 – CH2 – CH3 is:
Which functional group is found in esters?
Read the following two statements carefully and choose the correct option: Statement I: When methane reacts with chlorine in the presence of sunlight, hydrogen atoms in methane are gradually replaced by chlorine atoms. Statement II: The reaction between methane and chlorine is called an addition reaction.
Important Questions from Organic Chemistry
The catalyst used in the manufacture of methyl alcohol from water gas is
A carbon compound when heated in excess of concentrated sulphuric acid at 443K gives ethene. The compound is an________.
Plastic is not related to which of the following
The Peroxyacetyl Nitrate (PAN) is:
Which one of the following is the chemical name of heavy water ?
