ORGANIC COMPOUND CONTAINING NITROGEN

ORGANIC COMPOUND CONTAINING NITROGEN

1)    Give one example of secondary alcohol & sec-amine ?

2)    Write complete chemical equation for the complete reduction of alkyl cyanide?

3)    Why is aniline less basic than ethylamine?

4)    Why lower amine s are soluble in water?

5)    Which is more basic, aliphatic amines or ammonia & why ?

6)    Amines have lower boiling points than corresponding alcohols and carboxylic acids .Explain?

7)    What happens when ethylamine is treated with nitrous acid ?

8)    How will you prepare amines from (1) amides (2) aldehyde?

9)    Give carbylamines test for primary amine ?

10)                       Aniline fails to participate  in fridal craft rxn ?Explain

11)                       Triethylamine reacts with BF3 while triphenyl-amine does not ?

12)                       Give reason: Aniline is weaker base than ethyl amine ?

13)                       Give reason: sec amines are stronger bases than primary amines ?

14)                       Give reason: Alihatic amines are stronger bases than ammonia ?

15)                       Out of primary ,se, tertiary amines which is more basic and why ?

16)                       Sulphonilic acid is insoluble in water & inorganic solvents ? why

17)                       Sulphonilic acid is soluble in dil.NaOH,but not dil.HCL ?

18)                       What is Gabriel pthalimide synthesis ?Why it is regarded as best method ?

19)                       What is carbylamines reaction? How is it used to distinguish primary amines from sec, tertiary amines?

20)                       Explain why alkyl amines are stronger bases than ammonia ?

21)                       Why amines acts as ligands ?

22)                       Aniline is less basic than ammonia? Explain

23)                       Write short note on

Ø Reduction of nitrobenzene

Ø Mendius reaction

Ø Carbylamines rxn

Ø Hoffmann bromamide rxn

Ø Williamsons synthesis

Ø Gaberial pthalamide rxn

Ø Sulphonation of Aniline

20) What is Diazotization reaction?

21) How you can prepare phenol from diazonium salt?

22) How you can prepare fluourubenzene from aniline ?

23) How azo dye is prepared from aniline ?

24) Write a short note on

Ø Sandmeyer rxn

Ø Balz-schiemann rxn

Ø Coupling reaction

Ø Gattermann reaction

25)Diazonium salts are prepared at very low temperature ? why

26) Diazonium salts are always kept in solution form why ?

28) Diazonium salts have great utitlity in organic synthesis ? explain how ?

 

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