When condensation product of hexamethylenediamine and adipic acid is heated to 353 K (80° C) in an atmosphere of nitrogen for about 4-5 h, the product obtained is:
solid polymer of nylon 66
liquid polymer of nylon 66
gaseous polymer of nylon 66
Liquid polymer of nylon 6
Which of the following is used to detect aldehydes?
Millon's test
Tollen's reagent
Neutral ferric chloride solution
Molisch's test
Complete the following reaction
RNH2 + H2SO4 →
[RNH3]+HSO-4
RNH2.H2SO4
no reaction
B.
Bases react with acid to form salt.
∴ Amines are basic in nature.
∴ It forms salt on reaction with H2SO4.
2RNH2 + H2SO4 →
Which of the acids cannot be prepared by Grignard reagent?
Acetic acid
Succinic acid
Formic acid
All of these