Thursday, May 1, 2014

NITROGEN CONTAINING COMPOUNDS BITS PART-1
Prob 1. Ethyl amine is ………….but acetamide is almost ……………

 Sol.        Basic, neutral

 Prob 2. Controlled nitration of aniline at low temperature produces mainly ……..

 Sol.     m-nitroaniline


Prob 3. Carbyl amines on reduction give ………… amines.

 Sol.        Secondary

 Prob 4. In strongly acidic solution aniline becomes ……….. reactive towards electrophilic substitution.

 Sol.        Less

 Prob 5. The boiling point of amines are ………. than those of alcohols of comparable molecular mass.

 Sol.        Lower



True and False

 Prob 6. Acetamide is more basic than ammonia.

 Sol.        False

 Prob 7. Ketones reacts with primary amines to form anils.

 Sol.        True

 Prob 8. Aniline reacts with bromine water to give o- and p- bromo aniline.

 Sol.        False

 Prob 9. Nitrobenzene on reduction with LiAlH4 produces azobenzene.

 Sol.        True

 Prob 10. Gabriel phthalamide synthesis can be used for 3o amines.

 Sol.        False

No comments:

Post a Comment