13. AMINES[KARNATAKA CET EXCLUSIVE]
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CHEMISTRY(KCET)

285612 Identify\(\mathrm{A}, \mathrm{B}\) and C in sequence:

\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} \xrightarrow[\text { alc }]{\mathrm{KCN}} \mathrm{A} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{~B} \xrightarrow[0^{\circ} \mathrm{C}]{\mathrm{HNO}_2} \mathrm{C}\)

1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\),
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH}\)
2 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NC}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{~N}_2 \mathrm{Cl}\)
4 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285615 Incarbylamine test for primary amines the resulting foul smelling product is

1 \(\mathrm{CH}_3 \mathrm{NC}\)
2 \(\mathrm{COCl}_2\)
3 \(\mathrm{CH}_3 \mathrm{NCl}_2\)
4 \(\mathrm{CH}_3 \mathrm{CN}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285616 A secondary amine is

1 compound with an \(\mathrm{NH}_2\) group on the carbon atom in number 2 position
2 a compound in which 2 of the hydrogen of \(\mathrm{NH}_3\) have been replaced by organic groups
3 an organic compound with two \(\mathrm{NH}_2\) groups
4 a compound with two carbon atoms and an \(\mathrm{NH}_2\) group.
Karnataka CET 2022
CHEMISTRY(KCET)

285617 \(\quad \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\mathrm{NH}_3} A \xrightarrow{2 \mathrm{CH}_3 \mathrm{Cl}} B\)
The product \(B\) is

1 \(\mathrm{N}, \mathrm{N}\)-dimethylphenylmethanamine
2 \(\mathrm{N}, \mathrm{N}\)-dimethylbenzenamine
3 N -benzyl- N -methylmethanamine
4 phenyl-\(\mathrm{N}-\mathrm{N}\)-dimethylmethanamine.
Karnataka CET 2021
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CHEMISTRY(KCET)

285612 Identify\(\mathrm{A}, \mathrm{B}\) and C in sequence:

\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} \xrightarrow[\text { alc }]{\mathrm{KCN}} \mathrm{A} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{~B} \xrightarrow[0^{\circ} \mathrm{C}]{\mathrm{HNO}_2} \mathrm{C}\)

1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\),
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH}\)
2 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NC}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{~N}_2 \mathrm{Cl}\)
4 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285615 Incarbylamine test for primary amines the resulting foul smelling product is

1 \(\mathrm{CH}_3 \mathrm{NC}\)
2 \(\mathrm{COCl}_2\)
3 \(\mathrm{CH}_3 \mathrm{NCl}_2\)
4 \(\mathrm{CH}_3 \mathrm{CN}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285616 A secondary amine is

1 compound with an \(\mathrm{NH}_2\) group on the carbon atom in number 2 position
2 a compound in which 2 of the hydrogen of \(\mathrm{NH}_3\) have been replaced by organic groups
3 an organic compound with two \(\mathrm{NH}_2\) groups
4 a compound with two carbon atoms and an \(\mathrm{NH}_2\) group.
Karnataka CET 2022
CHEMISTRY(KCET)

285617 \(\quad \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\mathrm{NH}_3} A \xrightarrow{2 \mathrm{CH}_3 \mathrm{Cl}} B\)
The product \(B\) is

1 \(\mathrm{N}, \mathrm{N}\)-dimethylphenylmethanamine
2 \(\mathrm{N}, \mathrm{N}\)-dimethylbenzenamine
3 N -benzyl- N -methylmethanamine
4 phenyl-\(\mathrm{N}-\mathrm{N}\)-dimethylmethanamine.
Karnataka CET 2021
NEET DIGITAL LIBRARY
CHEMISTRY(KCET)

285612 Identify\(\mathrm{A}, \mathrm{B}\) and C in sequence:

\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} \xrightarrow[\text { alc }]{\mathrm{KCN}} \mathrm{A} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{~B} \xrightarrow[0^{\circ} \mathrm{C}]{\mathrm{HNO}_2} \mathrm{C}\)

1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\),
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH}\)
2 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NC}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{~N}_2 \mathrm{Cl}\)
4 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285615 Incarbylamine test for primary amines the resulting foul smelling product is

1 \(\mathrm{CH}_3 \mathrm{NC}\)
2 \(\mathrm{COCl}_2\)
3 \(\mathrm{CH}_3 \mathrm{NCl}_2\)
4 \(\mathrm{CH}_3 \mathrm{CN}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285616 A secondary amine is

1 compound with an \(\mathrm{NH}_2\) group on the carbon atom in number 2 position
2 a compound in which 2 of the hydrogen of \(\mathrm{NH}_3\) have been replaced by organic groups
3 an organic compound with two \(\mathrm{NH}_2\) groups
4 a compound with two carbon atoms and an \(\mathrm{NH}_2\) group.
Karnataka CET 2022
CHEMISTRY(KCET)

285617 \(\quad \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\mathrm{NH}_3} A \xrightarrow{2 \mathrm{CH}_3 \mathrm{Cl}} B\)
The product \(B\) is

1 \(\mathrm{N}, \mathrm{N}\)-dimethylphenylmethanamine
2 \(\mathrm{N}, \mathrm{N}\)-dimethylbenzenamine
3 N -benzyl- N -methylmethanamine
4 phenyl-\(\mathrm{N}-\mathrm{N}\)-dimethylmethanamine.
Karnataka CET 2021
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CHEMISTRY(KCET)

285612 Identify\(\mathrm{A}, \mathrm{B}\) and C in sequence:

\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br} \xrightarrow[\text { alc }]{\mathrm{KCN}} \mathrm{A} \xrightarrow{\mathrm{LiAlH}_4} \mathrm{~B} \xrightarrow[0^{\circ} \mathrm{C}]{\mathrm{HNO}_2} \mathrm{C}\)

1 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\),
\(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{OH}\)
2 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NC}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{OH}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CH}_2 \mathrm{NH}_2\)
3 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}, \mathrm{C}_2 \mathrm{H}_5 \mathrm{~N}_2 \mathrm{Cl}\)
4 \(\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{CN}, \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{NH}_2, \mathrm{C}_2 \mathrm{H}_5 \mathrm{OH}\)
Karnataka CET 2023
CHEMISTRY(KCET)

285615 Incarbylamine test for primary amines the resulting foul smelling product is

1 \(\mathrm{CH}_3 \mathrm{NC}\)
2 \(\mathrm{COCl}_2\)
3 \(\mathrm{CH}_3 \mathrm{NCl}_2\)
4 \(\mathrm{CH}_3 \mathrm{CN}\)
Karnataka CET 2022
CHEMISTRY(KCET)

285616 A secondary amine is

1 compound with an \(\mathrm{NH}_2\) group on the carbon atom in number 2 position
2 a compound in which 2 of the hydrogen of \(\mathrm{NH}_3\) have been replaced by organic groups
3 an organic compound with two \(\mathrm{NH}_2\) groups
4 a compound with two carbon atoms and an \(\mathrm{NH}_2\) group.
Karnataka CET 2022
CHEMISTRY(KCET)

285617 \(\quad \mathrm{C}_6 \mathrm{H}_5 \mathrm{CH}_2 \mathrm{Cl} \xrightarrow{\mathrm{NH}_3} A \xrightarrow{2 \mathrm{CH}_3 \mathrm{Cl}} B\)
The product \(B\) is

1 \(\mathrm{N}, \mathrm{N}\)-dimethylphenylmethanamine
2 \(\mathrm{N}, \mathrm{N}\)-dimethylbenzenamine
3 N -benzyl- N -methylmethanamine
4 phenyl-\(\mathrm{N}-\mathrm{N}\)-dimethylmethanamine.
Karnataka CET 2021
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