Ethyl amine reacts with nitrous acid to form :
C2H5OH
C2H5OH , N2 , H2O
C2H5N2+Cl-
C2H5NHOH , NH3
Which one of the following does not participate in the carbylamine reaction ?
KOH
Ethanol
Chloroform
Aniline
Alkyl halides react with Mg in dry ether to form :
magnesium halide
Grignard's reagent
alkene
alkyne
If phthalic acid is treated with NH3 and then it is first heated weakly then strongly, the final product formed is
Among the following, the correct order of basicity is :
NH2- > OH- > RO- > RCOO-
NH2- > RO- > OH- > RCOO-
RCOO- > NH2- > RO- > OH-
RCOO- > RO- > NH2- > OH-
Amides are converted to amines by the following reaction :
Perkin
Claisen
Hofmann
Clemmensen
C.
Hofmann
Amides are converted to amines by Hofmann reaction .In this reaction , when an amide is heated with an aqueous solution of KOH and Br2 , it gives a primary amine with one carbon atom less .
RCONH2 + Br2 + 4KOH RNH2 + 2KBr + K2CO3 + 2H2O