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
Nitrobenzene (PhNO2) P ?
C6H5NH2
C6H5NHOH
C6H5-N=O
C6H6
B.
C6H5NHOH
In neutral medium, nitrobenzene reduces to phenylhydroxylamine.
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-