Amines Class 12 MCQs Questions with Answers

1. The best method for preparing primary amines from alkyl halides without changing the number of carbon atoms in the chain is:

2. Which of the following can exist as zwitter ion?

3. The amines are basic in nature, hence they form salts with hydrochloric acid. Which of the following will be insoluble in dil. HCl:

4. Which of the following is a 3° amine? 

5. An organic compound (X) was treated with sodium nitrite and HCl in ice cold conditions. Bubbles of nitrogen gas were seen coming out. The compound (X) may be:

6. An organic compound C7H9N forms clear solution when dissolved in KOH after reacting with C6H5SO2Cl, ‘A’ on diazotisation at 0°C and then reaction with β-naphthol gives orangish red dye. ‘A’ on electrophilic substitution gives single product. ‘A’ is:

7. 4-Nitrotoluene is treated with bromine to get P. ‘P’ is reduced with Sn/HCl to get compound ‘Q\ ‘Q’ is diazotised and the product is treated with phosphinic acid to get compound ‘R’. ‘R’ is oxidised with alkaline KMn04 to get ‘S’. Compound ‘S’ is:

8. The gas evolved when methylamine reacts with nitrous acid is __________.

9. Intermolecular hydrogen bonding is strongest in:

10. The reaction of aniline with benzoyl chloride gives:

11. Which of the following compound will not undergo an azo coupling reaction with benzene diazonium chloride:

12. The hybrid state of N is R2NH is:

13. The best reagent for converting 2–phenylpropanamide into 2-phenylpropanolamine is _____.

14. The best reagent for converting 2-Phenyl propanamide into 2-phenyl propanamine is:

15. Which of the following methods of preparation of amines will give the same number of carbon atoms in the chain of amines as in the reactant? 

16. Cyclohexyiamine is stronger base than aniline become:

17. Which of the following does not react with Hinsberg reagent?

18. When aniline is heated with cone. H2SO4 at 455-475 K, it forms:

19. The correct decreasing order of basic strength of the following species is _______. H2O, NH3, OH–, NH2–

20. Amongst the given set of reactants, the most appropriate for preparing 2° amine is ____________ .