Online MCQs – Organic Chemistry – Chemistry 10th

1. Acetic acid is obtained from:

2. It is the key element in all organic compounds.

3. Vital force Theory was introduced by:

4. Molecular formula of butane is:

5. It is the capacity of atoms to build long chains and huge rings by linking with other similar atoms.

6. It is also known as the electronic formula, which depicts the sharing of electrons between distinct atoms in a single molecule of an organic compound.

7. The functional group -COOH is used for:

8. Which one indicates the exact number of atoms in one molecule of an organic compound?

9. In 1828, he converted an inorganic compound ammonium cyanate into urea.

10. It is an organic compound excreted in the urine of mammals.

11. Which one of these statements is TRUE?

12. Organic compounds have _______ different sorts of formulae.

13. The general formula for alkanes is:

14. CH₃ – CH₂ – is radical.

15. In organic compounds after carbon, the most frequently used element is:

16. Which of the following is a saturated hydrocarbon?

17. The prefix \’hept\’ stands for the __________ carbon atoms.

18. Benzene is a/an:

19. Polyethene is:

20. If two compounds have the same molecular formula but distinct atom arrangements in their molecules or different structural formulas, they are said to be: