191. The correct IUPAC name for $$C{H_2} = CHC{H_2}NHC{H_3}$$ is
A
allylmethylamine
B
2-amino-4-pentene
C
4-aminopent-1-ene
D
$$N$$-methylprop-2-en-1-amine
Answer :
$$N$$-methylprop-2-en-1-amine
192. When $$p$$ - toluidine reacts with chloroform and alcoholic $$KOH,$$ then the product is
A
B
C
D
Answer :
193. In the reaction \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}+C{{S}_{2}}\xrightarrow[\Delta ]{HgC{{l}_{2}}}\] the product obtained is
A
phenyl isocyanide
B
phenyl cyanide
C
$$p$$ - amino benzene sulphonic acid
D
phenyl isothiocyanate
Answer :
phenyl isothiocyanate
194. Nitrosoamines $$\left( {{R_2}N - N = O} \right)$$ are insoluble in water. On heating with $$conc.\,{H_2}S{O_4},$$ they give secondary amines. The reaction is called
A
Liebermann nitroso reaction
B
Etard reaction
C
Fries reaction
D
Perkin reaction
Answer :
Liebermann nitroso reaction
195. The increasing order of basicity of the following compounds is
A
B
C
D
Answer :
196. Reduction of aromatic nitro compounds using $$Fe$$ and $$HCl$$ gives _________.
A
aromatic oxime
B
aromatic hydrocarbon
C
aromatic primary amine
D
aromatic amide
Answer :
aromatic primary amine
197. Acetylation of a secondary amine in alkaline medium yields
A
$$N,N$$ -dialkylacetamide
B
$$N,N$$ -dialkylamine
C
$$N,N$$ -dialkylamide
D
acetyl dialkylamine
Answer :
$$N,N$$ -dialkylacetamide
198.
In the reaction,
\[C{{H}_{3}}CN+2H\xrightarrow[SnC{{l}_{2}}]{HCl}X\xrightarrow{\text{Boiling}\,\,{{H}_{2}}O}Y,\] the term $$Y$$ is
A
acetone
B
ethanamine
C
acetaldehyde
D
dimethyl amine
Answer :
acetaldehyde
199. Which of the following leads to carbon-carbon double bond ?
A
\[{{1}^{\circ }}\text{Amine}+RCHO\to \]
B
\[{{2}^{\circ }}\text{Amine}+{{R}_{2}}CO\to \]
C
\[{{2}^{\circ }}\text{Amine}+RCHO\to \]
D
\[\text{Both (B) and (C)}\]
Answer :
\[\text{Both (B) and (C)}\]
200.
The reagent required to convert
A
$$KOH/B{r_2},LiAl{H_4}$$
B
$$KOH/B{r_2},C{H_3}COCl$$
C
$$HN{O_2},{\left( {C{H_3}CO} \right)_2}O$$
D
$$KOH/B{r_2},C{H_3}OH/Na$$
Answer :
$$KOH/B{r_2},C{H_3}COCl$$
