Class 12 Chemistry Model Paper 2 MCQ Test

1. Identify the product Y in the following scheme:

C_6H_6+CH_3Cl   \xrightarrow[]{AlCl_3}   X   \xrightarrow[]{KMnO_4 / H_2SO_4}  Y

2. RNA contains four different nitrogenous bases EXCEPT.

3. Predict which one of the following metal hydroxide is least soluble in water?

4. Predict which one of the following compounds is a monomer of an addition polymer.

5. Identify an element with higher ionization energy:

6. Identify which one of the following has the highest boiling point:

7. Propose which one of the following reactions is more likely to occur through SN1 mechanism?

8. Name which one of the following gas is not a pollutant?

9. Cyclopropane is an example of:

10. An aldehyde when strongly heated with Fehling’s reagent gives red precipitate. What property of an aldehyde is observed in this reaction?

11. Quote the wave length range of IR region:

12. Prioritize the highest acidity of carboxylic acid in the following:

13. Identify carboxylic acid which is present in Vinegar:

14. Predict the color change when a base is added into potassium dichromate solution:

15. When ozone is treated with an alkene, aldehyde and ketone are produced, identify which one of the following will produce two moles of butanone?

16. Predict the coordination number in [Pt (OH)₂ (NH₃)₄] SO₄.

17. Identify a mixture of two organic solvents that are used in nail polish remover.