Online MCQs – Organic Chemistry – Chemistry 10th

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

2. The general formula for alkanes is:

3. 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.

4. Which of the following is a saturated hydrocarbon?

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

6. Molecular formula of butane is:

7. Vital force Theory was introduced by:

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

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

10. The functional group -COOH is used for:

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

12. Organic compounds have _______ different sorts of formulae.

13. Polyethene is:

14. Which of the following is an alcohol?

15. Which one of these statements is TRUE?

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

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

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

19. Acetic acid is obtained from:

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