General Organic Chemistry: JEE Mains Previous Year Questions (2021-2024) | Chemistry for JEE Main & Advanced PDF Download

 Page 1


JEE Mains Previous Year Questions 
(2021-2024): General Organic 
Chemistry 
 
 
2024 
 
Q1 - 2024 (01 Feb Shift 1) 
Given below are two statements: 
Statement (I) : Aminobenzene and aniline are same organic compounds. 
Statement (II) : Aminobenzene and aniline are different organic compounds. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are correct 
(2) Statement I is correct but Statement II is incorrect 
(3) Statement I is incorrect but Statement II is correct 
(4) Both Statement I and Statement II are incorrect 
 
Q2 - 2024 (01 Feb Shift 1) 
Ionic reactions with organic compounds proceed through: 
(A) Homolytic bond cleavage 
(B) Heterolytic bond cleavage 
(C) Free radical formation 
(D) Primary free radical 
(E) Secondary free radical 
Choose the correct answer from the options given below: 
(1) (A) only 
(2) (C) only 
(3) (B) only 
(4) (D) and (E) only 
 
Q3 - 2024 (01 Feb Shift 1) 
Page 2


JEE Mains Previous Year Questions 
(2021-2024): General Organic 
Chemistry 
 
 
2024 
 
Q1 - 2024 (01 Feb Shift 1) 
Given below are two statements: 
Statement (I) : Aminobenzene and aniline are same organic compounds. 
Statement (II) : Aminobenzene and aniline are different organic compounds. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are correct 
(2) Statement I is correct but Statement II is incorrect 
(3) Statement I is incorrect but Statement II is correct 
(4) Both Statement I and Statement II are incorrect 
 
Q2 - 2024 (01 Feb Shift 1) 
Ionic reactions with organic compounds proceed through: 
(A) Homolytic bond cleavage 
(B) Heterolytic bond cleavage 
(C) Free radical formation 
(D) Primary free radical 
(E) Secondary free radical 
Choose the correct answer from the options given below: 
(1) (A) only 
(2) (C) only 
(3) (B) only 
(4) (D) and (E) only 
 
Q3 - 2024 (01 Feb Shift 1) 
In Kjeldahl's method for estimation of nitrogen, CuSO
4
 acts as : 
(1) Reducing agent 
(2) Catalytic agent 
(3) Hydrolysis agent 
(4) Oxidising agent 
Q4 - 2024 (01 Feb Shift 1) 
Number of optical isomers possible for 2 - chlorobutane 
 
Q5 - 2024 (01 Feb Shift 2) 
The set of meta directing functional groups from the following sets is: 
(1) -CN,-NH
2
,-NHR,-OCH
3
 
(2) -NO
2
,-NH
2
,-COOH,-COOR 
(3) -NO
2
,-CHO,-SO
3
H,-COR 
(4) -CN,-CHO,-NHCOCH
3
,-COOR 
 
Q6 - 2024 (01 Feb Shift 2) 
Lassaigne's test is used for detection of : 
(1) Nitrogen and Sulphur only 
(2) Nitrogen, Sulphur and Phosphorous Only 
(3) Phosphorous and halogens only 
(4) Nitrogen, Sulphur, phosphorous and halogens 
 
Q7 - 2024 (01 Feb Shift 2) 
Which among the following has highest boiling point? 
(1) CH
3
CH
2
CH
2
CH
3
 
(2) CH
3
CH
2
CH
2
CH
2
- OH 
(3) CH
3
CH
2
CH
2
CHO 
(4) H
5
C
2
- O - C
2
H
5
 
 
Q8 - 2024 (01 Feb Shift 2) 
The functional group that shows negative resonance effect is: 
(1) -NH
2
 
(2) -OH 
(3) -COOH 
(4) -OR 
Page 3


JEE Mains Previous Year Questions 
(2021-2024): General Organic 
Chemistry 
 
 
2024 
 
Q1 - 2024 (01 Feb Shift 1) 
Given below are two statements: 
Statement (I) : Aminobenzene and aniline are same organic compounds. 
Statement (II) : Aminobenzene and aniline are different organic compounds. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are correct 
(2) Statement I is correct but Statement II is incorrect 
(3) Statement I is incorrect but Statement II is correct 
(4) Both Statement I and Statement II are incorrect 
 
Q2 - 2024 (01 Feb Shift 1) 
Ionic reactions with organic compounds proceed through: 
(A) Homolytic bond cleavage 
(B) Heterolytic bond cleavage 
(C) Free radical formation 
(D) Primary free radical 
(E) Secondary free radical 
Choose the correct answer from the options given below: 
(1) (A) only 
(2) (C) only 
(3) (B) only 
(4) (D) and (E) only 
 
Q3 - 2024 (01 Feb Shift 1) 
In Kjeldahl's method for estimation of nitrogen, CuSO
4
 acts as : 
(1) Reducing agent 
(2) Catalytic agent 
(3) Hydrolysis agent 
(4) Oxidising agent 
Q4 - 2024 (01 Feb Shift 1) 
Number of optical isomers possible for 2 - chlorobutane 
 
Q5 - 2024 (01 Feb Shift 2) 
The set of meta directing functional groups from the following sets is: 
(1) -CN,-NH
2
,-NHR,-OCH
3
 
(2) -NO
2
,-NH
2
,-COOH,-COOR 
(3) -NO
2
,-CHO,-SO
3
H,-COR 
(4) -CN,-CHO,-NHCOCH
3
,-COOR 
 
Q6 - 2024 (01 Feb Shift 2) 
Lassaigne's test is used for detection of : 
(1) Nitrogen and Sulphur only 
(2) Nitrogen, Sulphur and Phosphorous Only 
(3) Phosphorous and halogens only 
(4) Nitrogen, Sulphur, phosphorous and halogens 
 
Q7 - 2024 (01 Feb Shift 2) 
Which among the following has highest boiling point? 
(1) CH
3
CH
2
CH
2
CH
3
 
(2) CH
3
CH
2
CH
2
CH
2
- OH 
(3) CH
3
CH
2
CH
2
CHO 
(4) H
5
C
2
- O - C
2
H
5
 
 
Q8 - 2024 (01 Feb Shift 2) 
The functional group that shows negative resonance effect is: 
(1) -NH
2
 
(2) -OH 
(3) -COOH 
(4) -OR 
 
Q9 - 2024 (01 Feb Shift 2) 
Following Kjeldahl's method, 1g of organic compound released ammonia, that 
neutralised 10mL of  2MH
2
SO
4
. The percentage of nitrogen in the compound is  _____%. 
 
Q10 - 2024 (27 Jan Shift 1) 
Highest enol content will be shown by : 
(1) 
 
(2) 
 
(3) 
 
(4) 
 
 
Q11 - 2024 (27 Jan Shift 1) 
Page 4


JEE Mains Previous Year Questions 
(2021-2024): General Organic 
Chemistry 
 
 
2024 
 
Q1 - 2024 (01 Feb Shift 1) 
Given below are two statements: 
Statement (I) : Aminobenzene and aniline are same organic compounds. 
Statement (II) : Aminobenzene and aniline are different organic compounds. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are correct 
(2) Statement I is correct but Statement II is incorrect 
(3) Statement I is incorrect but Statement II is correct 
(4) Both Statement I and Statement II are incorrect 
 
Q2 - 2024 (01 Feb Shift 1) 
Ionic reactions with organic compounds proceed through: 
(A) Homolytic bond cleavage 
(B) Heterolytic bond cleavage 
(C) Free radical formation 
(D) Primary free radical 
(E) Secondary free radical 
Choose the correct answer from the options given below: 
(1) (A) only 
(2) (C) only 
(3) (B) only 
(4) (D) and (E) only 
 
Q3 - 2024 (01 Feb Shift 1) 
In Kjeldahl's method for estimation of nitrogen, CuSO
4
 acts as : 
(1) Reducing agent 
(2) Catalytic agent 
(3) Hydrolysis agent 
(4) Oxidising agent 
Q4 - 2024 (01 Feb Shift 1) 
Number of optical isomers possible for 2 - chlorobutane 
 
Q5 - 2024 (01 Feb Shift 2) 
The set of meta directing functional groups from the following sets is: 
(1) -CN,-NH
2
,-NHR,-OCH
3
 
(2) -NO
2
,-NH
2
,-COOH,-COOR 
(3) -NO
2
,-CHO,-SO
3
H,-COR 
(4) -CN,-CHO,-NHCOCH
3
,-COOR 
 
Q6 - 2024 (01 Feb Shift 2) 
Lassaigne's test is used for detection of : 
(1) Nitrogen and Sulphur only 
(2) Nitrogen, Sulphur and Phosphorous Only 
(3) Phosphorous and halogens only 
(4) Nitrogen, Sulphur, phosphorous and halogens 
 
Q7 - 2024 (01 Feb Shift 2) 
Which among the following has highest boiling point? 
(1) CH
3
CH
2
CH
2
CH
3
 
(2) CH
3
CH
2
CH
2
CH
2
- OH 
(3) CH
3
CH
2
CH
2
CHO 
(4) H
5
C
2
- O - C
2
H
5
 
 
Q8 - 2024 (01 Feb Shift 2) 
The functional group that shows negative resonance effect is: 
(1) -NH
2
 
(2) -OH 
(3) -COOH 
(4) -OR 
 
Q9 - 2024 (01 Feb Shift 2) 
Following Kjeldahl's method, 1g of organic compound released ammonia, that 
neutralised 10mL of  2MH
2
SO
4
. The percentage of nitrogen in the compound is  _____%. 
 
Q10 - 2024 (27 Jan Shift 1) 
Highest enol content will be shown by : 
(1) 
 
(2) 
 
(3) 
 
(4) 
 
 
Q11 - 2024 (27 Jan Shift 1) 
Which of the following has highly acidic hydrogen? 
(1)  
 
(2) 
 
(3) 
 
(4) 
 
 
 
Q12 - 2024 (27 Jan Shift 1) 
The ascending order of acidity of -OH group in the following compounds is : 
(A) Bu - OH 
(B) 
 
(C) 
Page 5


JEE Mains Previous Year Questions 
(2021-2024): General Organic 
Chemistry 
 
 
2024 
 
Q1 - 2024 (01 Feb Shift 1) 
Given below are two statements: 
Statement (I) : Aminobenzene and aniline are same organic compounds. 
Statement (II) : Aminobenzene and aniline are different organic compounds. 
In the light of the above statements, choose the most appropriate answer from the 
options given below: 
(1) Both Statement I and Statement II are correct 
(2) Statement I is correct but Statement II is incorrect 
(3) Statement I is incorrect but Statement II is correct 
(4) Both Statement I and Statement II are incorrect 
 
Q2 - 2024 (01 Feb Shift 1) 
Ionic reactions with organic compounds proceed through: 
(A) Homolytic bond cleavage 
(B) Heterolytic bond cleavage 
(C) Free radical formation 
(D) Primary free radical 
(E) Secondary free radical 
Choose the correct answer from the options given below: 
(1) (A) only 
(2) (C) only 
(3) (B) only 
(4) (D) and (E) only 
 
Q3 - 2024 (01 Feb Shift 1) 
In Kjeldahl's method for estimation of nitrogen, CuSO
4
 acts as : 
(1) Reducing agent 
(2) Catalytic agent 
(3) Hydrolysis agent 
(4) Oxidising agent 
Q4 - 2024 (01 Feb Shift 1) 
Number of optical isomers possible for 2 - chlorobutane 
 
Q5 - 2024 (01 Feb Shift 2) 
The set of meta directing functional groups from the following sets is: 
(1) -CN,-NH
2
,-NHR,-OCH
3
 
(2) -NO
2
,-NH
2
,-COOH,-COOR 
(3) -NO
2
,-CHO,-SO
3
H,-COR 
(4) -CN,-CHO,-NHCOCH
3
,-COOR 
 
Q6 - 2024 (01 Feb Shift 2) 
Lassaigne's test is used for detection of : 
(1) Nitrogen and Sulphur only 
(2) Nitrogen, Sulphur and Phosphorous Only 
(3) Phosphorous and halogens only 
(4) Nitrogen, Sulphur, phosphorous and halogens 
 
Q7 - 2024 (01 Feb Shift 2) 
Which among the following has highest boiling point? 
(1) CH
3
CH
2
CH
2
CH
3
 
(2) CH
3
CH
2
CH
2
CH
2
- OH 
(3) CH
3
CH
2
CH
2
CHO 
(4) H
5
C
2
- O - C
2
H
5
 
 
Q8 - 2024 (01 Feb Shift 2) 
The functional group that shows negative resonance effect is: 
(1) -NH
2
 
(2) -OH 
(3) -COOH 
(4) -OR 
 
Q9 - 2024 (01 Feb Shift 2) 
Following Kjeldahl's method, 1g of organic compound released ammonia, that 
neutralised 10mL of  2MH
2
SO
4
. The percentage of nitrogen in the compound is  _____%. 
 
Q10 - 2024 (27 Jan Shift 1) 
Highest enol content will be shown by : 
(1) 
 
(2) 
 
(3) 
 
(4) 
 
 
Q11 - 2024 (27 Jan Shift 1) 
Which of the following has highly acidic hydrogen? 
(1)  
 
(2) 
 
(3) 
 
(4) 
 
 
 
Q12 - 2024 (27 Jan Shift 1) 
The ascending order of acidity of -OH group in the following compounds is : 
(A) Bu - OH 
(B) 
 
(C) 
 
(D) 
 
(E) 
 
Choose the correct answer from the options given below : 
(1) (A) < (D) < (C) < (B) < (E) 
(2) (C) < (A) < (D) < (B) < (E) 
(3) (C) < (D) < (B) < (A) < (E) 
(4) (A) < (C) < (D) < (B) < (E) 
 
Q13 - 2024 (27 Jan Shift 1) 
Cyclohexene 
 
is __ type of anorganic compound. 
(1) Benzenoid aromatic 
(2) Benzenoid non-aromatic 
(3) Acyclic 
(4) Alicyclic 
 
Q14 - 2024 (27 Jan Shift 1) 
IUPAC name of following compound (P) is: