Online MCQs – Organic Chemistry – Chemistry 10th

1. Benzene is a/an:

2. Which one of these statements is TRUE?

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

4. Which of the following is an alcohol?

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

6. The functional group -COOH is used for:

7. Acetic acid is obtained from:

8. Alkenes:

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

10. Organic compounds have _______ different sorts of formulae.

11. Which of the following is a saturated hydrocarbon?

12. 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.

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

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

15. Vital force Theory was introduced by:

16. CH₃ – CH₂ – is radical.

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

18. Molecular formula of butane is:

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

20. More than ____________ organic compound (carbon compounds) exist.