An organic compound A on reduction gives compound B which on reaction with chloroform and potassium hydroxide forms C. The compound C on catalytic reduction gives N-methylaniline. The compound A is [2000]
(a) nitrobenzene
(b) nitromethane
(c) methylamine
(d) aniline
An aromatic primary amine with cold nitrous acid leads to the formation of:
(a) alcohol
(b) nitrite
(c) diazonium salt
(d) benzene
In the reaction sequence:
What is the compound Y?
1. Acetone
2. Ethanamine
3. Acetaldehyde
4. Dimethyl amine
X and Y in the given reaction are:
(a)
(b)
(c)
(d)
Which of the following statements about primary amines is false ?
[2010]
(1) Alkyl amines are stronger bases than aryl amines
(2) Alkyl amines react with nitrous acid to produce alcohols
(3) Aryl amines react with nitrous acid to produce phenols
(4) Alkyl amines are stronger bases than ammonia
Among the following, the strongest base is:
1. C6H5NH2
2. p-NO2-C6H4NH2
3. m-NO2-H4NH2
4. CH3CH2NH2
An amine reacts with and the product is soluble in alkali, amine is:
(a)
(b)
(c)
(d) all of those
Among following reactions, the reaction does not yield an amine is-
1.
2.
3.
4.
The end product in the following sequence of reactions is
1. Ethyl cyanide
2. Ethylamine
3. Methylamine
4. Acetamide