Online MCQs – Organic Chemistry – Chemistry 10th

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

2. Polyethene is:

3. Vital force Theory was introduced by:

4. The rate of reactivity of organic compounds is:

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

6. Which of the following is a saturated hydrocarbon?

7. Alkenes:

8. The general formula for alkanes is:

9. Benzene is a/an:

10. Which one of these statements is TRUE?

11. CH₃ – CH₂ – is radical.

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

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

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

15. 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.

16. Acetic acid is obtained from:

17. Which of the following is an alcohol?

18. Organic compounds have _______ different sorts of formulae.

19. The functional group -COOH is used for:

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