Online MCQs – Organic Chemistry – Chemistry 10th

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

2. Molecular formula of butane is:

3. Vital force Theory was introduced by:

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

5. CH₃ – CH₂ – is radical.

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

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

8. Alkenes:

9. Which of the following is a saturated hydrocarbon?

10. 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.

11. Benzene is a/an:

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

13. Which one of these statements is TRUE?

14. Organic compounds have _______ different sorts of formulae.

15. Polyethene is:

16. The general formula for alkanes is:

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

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

19. The rate of reactivity of organic compounds is:

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