301.
Pyrrole and pyridine both are basic and form salts with acids ?
Which of the following statement is true regarding the aromatic character of the four
species ?
A
All the four are aromatic
B
I, III and IV are aromatic
C
I, II and III are aromatic
D
I and III are aromatic
Answer :
I, III and IV are aromatic
302. Which of the following is not a primary amine?
A
$$tert$$ - Butylamine
B
$$sec$$ - Butylamine
C
$$iso$$ - Butylamine
D
Dimethylamine
Answer :
Dimethylamine
303. The conversion of benzene diazonium chloride to bromobenzene can be accomplished by
A
Reimer-Tiemann reaction
B
Friedel-Crafts reaction
C
Gattermann reaction
D
Azo-Coupling reaction
Answer :
Gattermann reaction
304. Primary, secondary and tertiary amines may be separated by using
A
iodoform
B
diethyloxalate
C
benzenesulphonyl chloride
D
acetyl chloride
Answer :
benzenesulphonyl chloride
305. Which of the following amides will give ethylamine on reaction with sodium hypobromide?
A
Butanamide
B
Propanamide
C
Acetamide
D
Benzamide
Answer :
Propanamide
306. An organic compound $$(A)$$ on reduction gives compound $$(B).$$ $$(B)$$ on treatment with \[CHC{{l}_{3}}\] and alcoholic $$KOH$$ gives $$(C).$$ $$(C)$$ on catalytic reduction gives $$N$$ - methylaniline. The compound $$A$$ is
A
Methylamine
B
Nitromethane
C
Aniline
D
Nitrobenzene
Answer :
Nitrobenzene
307.
In a set of reactions, $$m$$ - bromobenzoic acid gave a product $$D.$$ Identify the product $$D.$$
\[\xrightarrow{SOC{{l}_{2}}}B\xrightarrow{N{{H}_{3}}}C\xrightarrow[B{{r}_{2}}]{NaOH}D\]
A
B
C
D
Answer :
308. Reduction of $$C{H_3}C{H_2}NC$$ with hydrogen in presence of $$Ni$$ or $$Pt$$ as catalyst gives
A
$$C{H_3}C{H_2}N{H_2}$$
B
$$C{H_3}C{H_2}NHC{H_3}$$
C
$$C{H_3}C{H_2}NHC{H_2}C{H_3}$$
D
$${\left( {C{H_3}} \right)_3}N$$
Answer :
$$C{H_3}C{H_2}NHC{H_3}$$