JEE Advanced Previous Year Questions (2021-2023): Amines | Chemistry for JEE Main & Advanced PDF Download

 Page 1


JEE Advanced Previous Year 
Questions (2021-2023): Amines 
2023 
Numerical Type 
JEE Advanced 2023 Paper 2 Online 
Q1. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?????? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The number of heteroatoms present in one molecule of ?? is 
[Use : Molar mass (in ???????? -?? ) : ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Page 2


JEE Advanced Previous Year 
Questions (2021-2023): Amines 
2023 
Numerical Type 
JEE Advanced 2023 Paper 2 Online 
Q1. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?????? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The number of heteroatoms present in one molecule of ?? is 
[Use : Molar mass (in ???????? -?? ) : ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Ans: 9 
 
Page 3


JEE Advanced Previous Year 
Questions (2021-2023): Amines 
2023 
Numerical Type 
JEE Advanced 2023 Paper 2 Online 
Q1. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?????? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The number of heteroatoms present in one molecule of ?? is 
[Use : Molar mass (in ???????? -?? ) : ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Ans: 9 
 
 
Number of Heteroatoms in R is 9 . 
 
JEE Advanced 2023 Paper 2 Online 
Q2. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?? ?? ?? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The total number of carbon atoms and heteroatoms present in one molecule of ?? 
is 
[Use : Molar mass (in ???????? -?? ): ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Ans: 51 
 
Compound S is 
Page 4


JEE Advanced Previous Year 
Questions (2021-2023): Amines 
2023 
Numerical Type 
JEE Advanced 2023 Paper 2 Online 
Q1. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?????? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The number of heteroatoms present in one molecule of ?? is 
[Use : Molar mass (in ???????? -?? ) : ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Ans: 9 
 
 
Number of Heteroatoms in R is 9 . 
 
JEE Advanced 2023 Paper 2 Online 
Q2. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?? ?? ?? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The total number of carbon atoms and heteroatoms present in one molecule of ?? 
is 
[Use : Molar mass (in ???????? -?? ): ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Ans: 51 
 
Compound S is 
 
Number of Carbon atoms + Number of Heteroatoms =51 
 
JEE Advanced 2023 Paper 1 Online 
Q3. The total number of ?? ?? ?? hybridised carbon atoms in the major product ?? (a 
non-heterocyclic compound) of the following reaction is ___ 
 
 
Ans:28 
 
Page 5


JEE Advanced Previous Year 
Questions (2021-2023): Amines 
2023 
Numerical Type 
JEE Advanced 2023 Paper 2 Online 
Q1. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?????? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The number of heteroatoms present in one molecule of ?? is 
[Use : Molar mass (in ???????? -?? ) : ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Ans: 9 
 
 
Number of Heteroatoms in R is 9 . 
 
JEE Advanced 2023 Paper 2 Online 
Q2. A trinitro compound, 1,3,5-tris-(4-nitrophenyl)benzene, on complete reaction 
with an excess of ???? /?????? gives a major product, which on treatment with an 
excess of ???????? ?? /?????? at ?? °
?? provides ?? as the product. ?? , upon treatment with 
excess of ?? ?? ?? at room temperature, gives the product ?? . Bromination of ?? in 
aqueous medium furnishes the product ?? . The compound ?? upon treatment with 
an excess of phenol under basic conditions gives the product ?? . 
The molar mass difference between compounds ?? and ?? is ?????? ?? ?? ?? ?? -?? and 
between compounds ?? and ?? is ?????? . ?? ?? ?????? -?? . 
The total number of carbon atoms and heteroatoms present in one molecule of ?? 
is 
[Use : Molar mass (in ???????? -?? ): ?? = ?? , ?? = ???? , ?? = ???? , ?? = ???? , ???? = ???? , ???? = ???? . ?? 
Atoms other than ?? and ?? are considered as heteroatoms] 
Ans: 51 
 
Compound S is 
 
Number of Carbon atoms + Number of Heteroatoms =51 
 
JEE Advanced 2023 Paper 1 Online 
Q3. The total number of ?? ?? ?? hybridised carbon atoms in the major product ?? (a 
non-heterocyclic compound) of the following reaction is ___ 
 
 
Ans:28