Online MCQs – Organic Chemistry – Chemistry 10th

1. Organic compounds have _______ different sorts of formulae.

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

3. Which of the following is an alcohol?

4. Molecular formula of butane is:

5. The functional group -COOH is used for:

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

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

8. The rate of reactivity of organic compounds is:

9. Which of the following is a saturated hydrocarbon?

10. Vital force Theory was introduced by:

11. The general formula for alkanes is:

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

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

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

15. Alkenes:

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

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

18. Polyethene is:

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

20. CH₃ – CH₂ – is radical.