Online MCQs – Organic Chemistry – Chemistry 10th

1. 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.

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

3. Benzene is a/an:

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

5. The rate of reactivity of organic compounds is:

6. The general formula for alkanes is:

7. Vital force Theory was introduced by:

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

9. CH₃ – CH₂ – is radical.

10. Acetic acid is obtained from:

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

12. Alkenes:

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

15. Molecular formula of butane is:

16. Polyethene is:

17. Organic compounds have _______ different sorts of formulae.

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

19. Which of the following is an alcohol?

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