Absolute alcohol is prepared by :
vacuum distillation
azeotropic distillation
steam distillation
None of the above
Ethanol shows intermolecular H-bonding .Which of the following property is affected by H-bonding ?
Volatility
Boiling point
Solubility
All of these
Which is the major product formed when C6H5CONHC6H5 undergoes nitration?
B.
The ring attached to the nitrogen atom in benzanilide is strongly activated towards electrophilic substitution reaction.
:. Nitration occurs at p-position to the ring attached to 'N' atom.
Salicylic acid can be easily prepared by reaction between
phenol and CO2
benzoic acid and H2O2
benzene diazonium chloride and CO2
phenol and formic acid.
Reaction of aniline with HNO2 followed by treatment of dilute acid gives
C6H5NHOH
C6H5OH
C6H5NHNH2
C6H6