Class 12 Chemistry Model Paper 3 MCQ Test

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

2. Identify the functional group present in the Anhydride.

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

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

5. Predict which maltose is the disaccharide of:

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

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

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

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

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

11. 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:

12. Identify the nature of the ligand:

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

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

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

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

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