Ethylamine undergoes oxidation in the presence of KMnO4 followed by hydrolysis to form:
1. an acid
2. an alcohol
3. an aldehyde
4. a N-oxide
Which of the following reactions does not yield an amine?
1.
2. RCH=N-OH + [H] \(\xrightarrow[C_{2}H_{5}OH]{Na}\)
3.
4.
Hinsberg's method to separate amines is based on the use of:
(1) benzene sulphonyl chloride
(2) benzene sulphonic acid
(3) ethyl oxalate
(4) acetyl chloride
upon heating generates -
1. Nitrogen gas
2. Carbon dioxide
3. Biuret
4. Ammonium carbonate
Which of the following reagents will convert nitromethane into methylamine ?
1. Zn/HCl
2. Zn/NaOH
3. Zn/C2H5OH
4. Ni/H2
Nitrobenze on reduction with Al-Hg and water gives:
(1) azobenze
(2) aniline
(3) azoxy benzene
(4) phenylhydroxylamine
The reduction of CH3CN to CH3CH2NH2 is called:
1. Rosenmund's reduction
2. Clemmensen's reduction
3. Mendius reduction
4. Hofmann's reduction
Aniline and ethylamine resembles in:
(1) solubility
(2) action with HNO2
(3) action of Grignard reagent
(4) coupling reaction
Mendius method of preparation of amines consists of:
(1) catalytic reduction of alkyl cyanides
(2) reduction of amide with LiAlH4
(3) reduction of nitroparaffin with Sn + HCl
(4) reduction of oximes with Na + C2H5OH