1
KCET 2022
MCQ (Single Correct Answer)
+1
-0

In carbylamine test for primary amines the resulting foul smelling product is

A
$$\mathrm{CH}_3 \mathrm{CN}$$
B
$$\mathrm{CH}_3 \mathrm{NC}$$
C
$$\mathrm{COCl}_2$$
D
$$\mathrm{CH}_3 \mathrm{NCl}_2$$
2
KCET 2022
MCQ (Single Correct Answer)
+1
-0

A secondary amine is

A
a compound with two carbon atoms and an $$\mathrm{NH}_2$$ group
B
a compound with an $$\mathrm{NH}_2$$ group on the carbon atom in number 2 position
C
a compound in which 2 of the hydrogen of $$\mathrm{NH}_3$$ have been replaced by organic group
D
an organic compound with two $$\mathrm{NH}_2$$ groups
3
KCET 2021
MCQ (Single Correct Answer)
+1
-0

$$\mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\text { Alc. } \mathrm{NH}_3} A \xrightarrow{2 \mathrm{CH}_3 \mathrm{Cl}} B.$$ The product $$B$$ is

A
$$\mathrm{N}, \mathrm{N}$$-dimethylphenylmethanamine
B
N, N-dimethylbenzenamine
C
N-benzyl-N-methylmethanamine
D
phynyl-N-N-dimethylmethanamine
4
KCET 2021
MCQ (Single Correct Answer)
+1
-0

The method by which aniline cannot be prepared is

A
nitration of benzene followed by reduction with Sn and conc. $$\mathrm{HCl}$$
B
degradation of benzamide with bromine in alkaline solution
C
reduction of nitrobenzene with $$\mathrm{H}_2 / \mathrm{Pd}$$ is ethanol
D
potassium salt of phthalimide treated with chlorobenzene followed by the hydrolysis with aqueous $$\mathrm{NaOH}$$ solution
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