Class 12 Chemistry Model Paper 3 MCQ Test

1. What is the IUPAC name of alkene which will give propanone and propanal on Ozonolysis?

2. Label the element in the first series of outer transition elements that has highest binding energy.

3. Predict which one of the following substances is used as film forming agent in nail polish?

4. Identify which one of the following water pollutant is Carcinogenic?

5. Predict the decomposition product which will give brown colored gas:

6. Identify the functional group present in the Anhydride.

7. Identify the name of the compound which will give acetamide on heating?

8. Predict which maltose is the disaccharide of:

9. Predict the product of acid hydrolysis of CH₃ - C ≡ C - CH₃ in the presence of HgSO₄ catalyst.

10. Li₂CO₃ is thermally unstable whereas other Group-I carbonates are stable. Predict the reason.

11. When secondary alcohol reacts with NaOH to produce yellow ppt, it is called:

12. Identify the nature of the ligand:

13. Identify the most reactive Alcohol with respect to the breakage of O-H bond.

14. Amines are basic in nature. Identify which one of the following is more basic?

15. Propose the types of Isomerism shown by 1-Butanol.

16. What is the name of Grignard Reagent that will give 2,2-Dimethyl Propanoic Acid on reaction with CO₂?

17. The mass spectrum of Magnesium shows that it contains three isotopes. Mg-24 (78.70%), Mg-25 (10.13%) & Mg-26(11.17%). The average atomic mass of Mg is: