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Previous year question hub

Practical Organic Chemistry - Organic Chemistry - Chemistry Previous Year Questions

Practice Practical Organic Chemistry - Organic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.

91Papers
14Years
113Questions
1Topics

Practical Organic Chemistry question pattern

Every graph below is calculated only from this selection.

Questions by year

Year-wise coverage for Practical Organic Chemistry. Each bar uses a separate theme-derived color.

Difficulty distribution

How the classified questions are distributed by difficulty.

Easy 64 56.6%
Medium 47 41.6%
Hard 2 1.8%

Question type distribution

MCQ, numerical, multiple-select and other formats found in these papers.

Multiple Choices 76 67.3%
Numerical Answer Type (NAT) 37 32.7%

Subject weightage

Top subjects by unique question coverage.

Chemistry
113 Qs

Most asked topics

Top topics across the included previous year papers.

Organic Chemistry
113 Qs

Subtopic coverage

Top subtopics inside this exact selection.

Practical Organic Chemistry
113 Qs

Paper coverage

Question coverage for the most populated papers. Every active PYP paper remains listed below.

JEE Main 2026 (Online) 2nd April Evening Shift
2 Qs
JEE Main 2026 (Online) 2nd April Morning Shift
2 Qs
JEE Main 2026 (Online) 4th April Evening Shift
2 Qs
JEE Main 2026 (Online) 4th April Morning Shift
2 Qs
JEE Main 2026 (Online) 5th April Evening Shift
1 Qs
JEE Main 2026 (Online) 5th April Morning Shift
1 Qs
JEE Main 2026 (Online) 6th April Evening Shift
1 Qs
JEE Main 2026 (Online) 6th April Morning Shift
1 Qs
JEE MAIN 2026 ONLINE 21ST JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 21ST JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 22ND JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 22ND JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 23RD JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 23RD JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 24TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 28TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2026 ONLINE 28TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 29TH JANUARY EVENING SHIFT
2 Qs
JEE MAIN 2025 ONLINE 2ND APRIL EVENING SHIFT
2 Qs
JEE MAIN 2025 ONLINE 4TH APRIL EVENING SHIFT
2 Qs
JEE MAIN 2025 ONLINE 7TH APRIL EVENING SHIFT
2 Qs
JEE MAIN 2025 ONLINE 23RD JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 24TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 2ND APRIL MORNING SHIFT
1 Qs
JEE MAIN 2025 ONLINE 4TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 9TH APRIL EVENING SHIFT
3 Qs
JEE MAIN 2024 ONLINE 1ST FEBRUARY MORNING SHIFT
2 Qs
JEE MAIN 2024 ONLINE 29TH JANUARY MORNING SHIFT
2 Qs
JEE MAIN 2024 ONLINE 1ST FEBRUARY EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 27TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 29TH JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 30TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 31ST JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 31ST JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 6TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 6TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 8TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2024 ONLINE 9TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 8TH APRIL EVENING SHIFT
2 Qs
JEE MAIN 2023 ONLINE 10TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 10TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 13TH APRIL EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 13TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 29TH JANUARY MORNING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT
1 Qs
JEE MAIN 2023 ONLINE 6TH APRIL MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 28TH JUNE MORNING SHIFT
3 Qs
JEE MAIN 2022 ONLINE 30TH JUNE MORNING SHIFT
2 Qs
JEE MAIN 2022 ONLINE 24TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 25TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 25TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 26TH JUNE MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 27TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 27TH JUNE EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 28TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 29TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2022 ONLINE 29TH JUNE MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 27TH AUGUST MORNING SHIFT
3 Qs
JEE Main 2021 (Online) 25th February Evening Shift
2 Qs
JEE MAIN 2021 ONLINE 16TH MARCH EVENING SHIFT
2 Qs
JEE Main 2021 (Online) 26th February Evening Shift
1 Qs
JEE Main 2021 (Online) 26th February Morning Shift
1 Qs
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 18TH MARCH MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 20TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 20TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 22TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 25TH JULY EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 26TH AUGUST EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 26TH AUGUST MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 27TH AUGUST EVENING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 27TH JULY MORNING SHIFT
1 Qs
JEE MAIN 2021 ONLINE 31ST AUGUST EVENING SHIFT
1 Qs
JEE MAIN 2020 ONLINE 2ND SEPTEMBER EVENING SLOT
1 Qs
JEE MAIN 2020 ONLINE 2ND SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 6TH SEPTEMBER MORNING SLOT
1 Qs
JEE MAIN 2020 ONLINE 9TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 8TH APRIL MORNING SLOT
2 Qs
JEE MAIN 2019 ONLINE 10TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 12TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH JANUARY EVENING SLOT
1 Qs
JEE MAIN 2019 ONLINE 9TH JANUARY MORNING SLOT
1 Qs
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
2 Qs
JEE MAIN 2018 OFFLINE
1 Qs
JEE MAIN 2017 OFFLINE
1 Qs
JEE MAIN 2016 ONLINE 10TH APRIL MORNING SLOT
1 Qs
AIEEE 2011
1 Qs
AIEEE 2010
1 Qs
AIEEE 2004
1 Qs

Included previous year papers

Newest papers appear first. Sort by year, question coverage or name.

PaperYear / sessionQuestions in this viewOpen
JEE Main 2026 (Online) 2nd April Evening Shift20262View paper
JEE Main 2026 (Online) 2nd April Morning Shift20262View paper
JEE Main 2026 (Online) 4th April Evening Shift20262View paper
JEE Main 2026 (Online) 4th April Morning Shift20262View paper
JEE Main 2026 (Online) 5th April Evening Shift20261View paper
JEE Main 2026 (Online) 5th April Morning Shift20261View paper
JEE Main 2026 (Online) 6th April Evening Shift20261View paper
JEE Main 2026 (Online) 6th April Morning Shift20261View paper
JEE MAIN 2026 ONLINE 21ST JANUARY EVENING SHIFT20261View paper
JEE MAIN 2026 ONLINE 21ST JANUARY MORNING SHIFT20261View paper
JEE MAIN 2026 ONLINE 22ND JANUARY EVENING SHIFT20261View paper
JEE MAIN 2026 ONLINE 22ND JANUARY MORNING SHIFT20261View paper
JEE MAIN 2026 ONLINE 23RD JANUARY EVENING SHIFT20261View paper
JEE MAIN 2026 ONLINE 23RD JANUARY MORNING SHIFT20261View paper
JEE MAIN 2026 ONLINE 24TH JANUARY MORNING SHIFT20261View paper
JEE MAIN 2026 ONLINE 28TH JANUARY EVENING SHIFT20261View paper
JEE MAIN 2026 ONLINE 28TH JANUARY MORNING SHIFT20261View paper
JEE MAIN 2025 ONLINE 23RD JANUARY MORNING SHIFT20251View paper
JEE MAIN 2025 ONLINE 24TH JANUARY EVENING SHIFT20251View paper
JEE MAIN 2025 ONLINE 29TH JANUARY EVENING SHIFT20252View paper
JEE MAIN 2025 ONLINE 2ND APRIL EVENING SHIFT20252View paper
JEE MAIN 2025 ONLINE 2ND APRIL MORNING SHIFT20251View paper
JEE MAIN 2025 ONLINE 4TH APRIL EVENING SHIFT20252View paper
JEE MAIN 2025 ONLINE 4TH APRIL MORNING SHIFT20251View paper
JEE MAIN 2025 ONLINE 7TH APRIL EVENING SHIFT20252View paper
JEE MAIN 2024 ONLINE 1ST FEBRUARY EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 1ST FEBRUARY MORNING SHIFT20242View paper
JEE MAIN 2024 ONLINE 27TH JANUARY EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 29TH JANUARY EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 29TH JANUARY MORNING SHIFT20242View paper
JEE MAIN 2024 ONLINE 30TH JANUARY MORNING SHIFT20241View paper
JEE MAIN 2024 ONLINE 31ST JANUARY EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 31ST JANUARY MORNING SHIFT20241View paper
JEE MAIN 2024 ONLINE 6TH APRIL EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 6TH APRIL MORNING SHIFT20241View paper
JEE MAIN 2024 ONLINE 8TH APRIL EVENING SHIFT20241View paper
JEE MAIN 2024 ONLINE 9TH APRIL EVENING SHIFT20243View paper
JEE MAIN 2024 ONLINE 9TH APRIL MORNING SHIFT20241View paper
JEE MAIN 2023 ONLINE 10TH APRIL EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 10TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 13TH APRIL EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 13TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 1ST FEBRUARY EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 29TH JANUARY MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 31ST JANUARY EVENING SHIFT20231View paper
JEE MAIN 2023 ONLINE 6TH APRIL MORNING SHIFT20231View paper
JEE MAIN 2023 ONLINE 8TH APRIL EVENING SHIFT20232View paper
JEE MAIN 2022 ONLINE 24TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 25TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 25TH JULY MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 26TH JUNE MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 27TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 27TH JUNE EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 28TH JULY EVENING SHIFT20221View paper
JEE MAIN 2022 ONLINE 28TH JUNE MORNING SHIFT20223View paper
JEE MAIN 2022 ONLINE 29TH JULY MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 29TH JUNE MORNING SHIFT20221View paper
JEE MAIN 2022 ONLINE 30TH JUNE MORNING SHIFT20222View paper
JEE Main 2021 (Online) 25th February Evening Shift20212View paper
JEE Main 2021 (Online) 26th February Evening Shift20211View paper
JEE Main 2021 (Online) 26th February Morning Shift20211View paper
JEE MAIN 2021 ONLINE 16TH MARCH EVENING SHIFT20212View paper
JEE MAIN 2021 ONLINE 17TH MARCH MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 18TH MARCH MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 20TH JULY EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 20TH JULY MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 22TH JULY EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 25TH JULY EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 26TH AUGUST EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 26TH AUGUST MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 27TH AUGUST EVENING SHIFT20211View paper
JEE MAIN 2021 ONLINE 27TH AUGUST MORNING SHIFT20213View paper
JEE MAIN 2021 ONLINE 27TH JULY MORNING SHIFT20211View paper
JEE MAIN 2021 ONLINE 31ST AUGUST EVENING SHIFT20211View paper
JEE MAIN 2020 ONLINE 2ND SEPTEMBER EVENING SLOT20201View paper
JEE MAIN 2020 ONLINE 2ND SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 6TH SEPTEMBER MORNING SLOT20201View paper
JEE MAIN 2020 ONLINE 9TH JANUARY EVENING SLOT20201View paper
JEE MAIN 2019 ONLINE 10TH JANUARY EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 12TH APRIL MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 8TH APRIL MORNING SLOT20192View paper
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH JANUARY EVENING SLOT20191View paper
JEE MAIN 2019 ONLINE 9TH JANUARY MORNING SLOT20191View paper
JEE MAIN 2018 OFFLINE20181View paper
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT20182View paper
JEE MAIN 2017 OFFLINE20171View paper
JEE MAIN 2016 ONLINE 10TH APRIL MORNING SLOT20161View paper
AIEEE 201120111View paper
AIEEE 201020101View paper
AIEEE 200420041View paper

All Practical Organic Chemistry previous year questions

Practice every matching question in batches of 20, with every available option.

1
2004 · Chemistry · Organic Chemistry · Practical Organic Chemistry
AIEEE 2004
The compound formed in the positive test for nitrogen with the Lassaigne solution of an organic compound is
A
Fe4[Fe(CN)6]3
B
Na4[Fe(CN)5NOS]
C
Fe(CN)3
D
Na3[Fe(CN)6]
Open complete paper
2
2010 · Chemistry · Organic Chemistry · Practical Organic Chemistry
AIEEE 2010
29.5 mg of an organic compound containing nitrogen was digested according to Kjeldahl’s method and the evolved ammonia was absorbed in 20 mL of 0.1 M HCl solution. The excess of the acid required 15 mL of 0.1 M NaOH solution for complete neutralization. The percentage of nitrogen in the compound is
A
59.0
B
47.4
C
23.7
D
29.5
Open complete paper
3
2011 · Chemistry · Organic Chemistry · Practical Organic Chemistry
AIEEE 2011
Which of the following reagents may be used to distinguish between phenol and benzoic acid ?
A
Tollen’s reagent
B
Molisch reagent
C
Neutral FeCl3
D
Aqueous NaOH
Open complete paper
4
2016 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2016 ONLINE 10TH APRIL MORNING SLOT
Sodium extract is heated with concentrated HNO3 before testing for halogens because :
A
Silver halides are totally insoluble in nitric acid.
B
Ag2S and AgCN are soluble in acidic medium.
C
S2− and CN−, if present, are decomposed by conc. HNO3 and hence do not interfere in the test.
D
Ag reacts faster with halides in acidic medium.
Open complete paper
5
2017 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2017 OFFLINE
Sodium salt of an organic acid ‘X’ produces effervescence with conc. H2SO4. ‘X’ reacts with the acidified aqueous CaCl2 solution to give a white precipitate which decolourises acidic solution of KMnO4. ‘X’ is :
A
CH3COONa
B
Na2C2O4
C
C6H5COONa
D
HCOONa
Open complete paper
6
2018 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2018 OFFLINE
Which of the following compounds will be suitable for Kjeldahl’s method for nitrogen estimation?
A
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 110 English Option 1
B
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 110 English Option 2
C
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 110 English Option 3
D
JEE Main 2018 (Offline) Chemistry - Practical Organic Chemistry Question 110 English Option 4
Open complete paper
7
2018 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
For standardizing NaOH solution, which of the following is used as a primary standard ?
A
Ferrous Ammonium Sulfate
B
dil. HCl
C
Oxalic acid
D
Sodium tetraborate
Open complete paper
8
2018 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2018 ONLINE 16TH APRIL MORNING SLOT
In a complexometric titration of metal ion with ligand
M(Metal ion) + L(Ligand) \(\to\) C(Complex) end point is estimated spectrophoto - metrically (through light absorption). If 'M' and 'C' do not absorb light and only 'L' absorbs, then the titration plot between absorbed light (A) versus volume of ligand 'L' (V) would look like :
A
JEE Main 2018 (Online) 16th April Morning Slot Chemistry - Practical Organic Chemistry Question 107 English Option 1
B
JEE Main 2018 (Online) 16th April Morning Slot Chemistry - Practical Organic Chemistry Question 107 English Option 2
C
JEE Main 2018 (Online) 16th April Morning Slot Chemistry - Practical Organic Chemistry Question 107 English Option 3
D
JEE Main 2018 (Online) 16th April Morning Slot Chemistry - Practical Organic Chemistry Question 107 English Option 4
Open complete paper
9
2019 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2019 ONLINE 10TH JANUARY EVENING SLOT
The correct match between item 'I' and item 'II' is :

Item 'I' (compound) Item 'II'
(reagent)
(A) Lysine (P) 1-naphthol
(B) Furfural (Q) ninhydrin
(C) Benzylalcohol (R) KMnO4
(D) Styrene (S) Ceric ammonium
nitrate
A
(A)  \(\to\)  (Q);  (B)  \(\to\)  (R);  (C)  \(\to\)  (S);   (D)  \(\to\)  (P)
B
(A)  \(\to\)  (Q);  (B)  \(\to\)  (P);  (C)  \(\to\)  (S);   (D)  \(\to\)  (R)
C
(A)  \(\to\)  (R);  (B)  \(\to\)  (P);  (C)  \(\to\)  (Q);   (D)  \(\to\)  (S)
D
(A)  \(\to\)  (Q);  (B)  \(\to\)  (P);  (C)  \(\to\)  (R);   (D)  \(\to\)  (S)
Open complete paper
10
2019 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2019 ONLINE 12TH APRIL MORNING SLOT
An organic compound 'A' is oxidizod with Na2O2 followed by boiling with HNO3. The resultant solution is then treated with ammonium molybdate to yield a yellow precipitate.
Based on above observation, the element present in the given compound is:
A
Fluorine
B
Phosphorus
C
Nitrogen
D
Sulphur
Open complete paper
11
2019 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2019 ONLINE 8TH APRIL MORNING SLOT
An organic compound neither reacts with neutral ferric chloride solution nor with fehling solution. it however, reacts with Grignard reagent and gives positive iodoform test. The compound is :
A
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 101 English Option 1
B
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 101 English Option 2
C
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 101 English Option 3
D
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 101 English Option 4
Open complete paper
12
2019 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2019 ONLINE 8TH APRIL MORNING SLOT
An organic compound 'X' showing the following solubility profile is : JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 102 English
A
o-Toluidine
B
Benzamide
C
Oleic acid
D
m-Cresol
Open complete paper
13
2019 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2019 ONLINE 9TH APRIL MORNING SLOT
The organic compound that gives following qualitative analysis is :

Test Inference
(a) Dil. HCl Insoluble
(b) NaOH solution soluble
(c) Br2/water Decolourization
A
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 100 English Option 1
B
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 100 English Option 2
C
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 100 English Option 3
D
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 100 English Option 4
Open complete paper
14
2019 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2019 ONLINE 9TH JANUARY EVENING SLOT
The tests performed on compound X and their inferences are :

Test Inference
(a) 2, 4 - DNP test Coloured precipitate
(b) Idoform test Yellow precipitate
(c) Azo-dye test No dye formation

Compound 'X' is :
A
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 104 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 104 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 104 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 104 English Option 4
Open complete paper
15
2019 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2019 ONLINE 9TH JANUARY MORNING SLOT
The correct match between Item-I and Item-II is :

Item-I (drug) Item-II (test)
A Chloroxylenol P Carbylamine test
B Norethindrone Q Sodium hydrogen carbonet test
C Sulphapyridine R Ferric chloride test
D Penicillin S Bayer's test
A
A \(\to\) R;  B \(\to\) P;  C \(\to\) S;  D \(\to\) Q
B
A \(\to\) Q;  B \(\to\) S;  C \(\to\) P;  D \(\to\) R
C
A \(\to\) R;  B \(\to\) S;  C \(\to\) P;  D \(\to\) Q
D
A \(\to\) Q;  B \(\to\) P;  C \(\to\) S;  D \(\to\) R
Open complete paper
16
2020 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2020 ONLINE 2ND SEPTEMBER EVENING SLOT
If you spill a chemical toilet cleaning liquid on your hand, your first aid would be
A
aqueous NaOH
B
aqueous NaHCO3
C
aqueous NH3
D
vinegar
Open complete paper
17
2020 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2020 ONLINE 2ND SEPTEMBER MORNING SLOT
In Carius method of estimation of halogen, 0.172 g of an organic compound showed presence of 0.08 g of bromine. Which of these is the correct structure of the compound?
A
H3C – CH2 – Br
B
H3C – Br
C
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Practical Organic Chemistry Question 97 English Option 3
D
JEE Main 2020 (Online) 2nd September Morning Slot Chemistry - Practical Organic Chemistry Question 97 English Option 4
Open complete paper
18
2020 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2020 ONLINE 6TH SEPTEMBER MORNING SLOT
In an estimation of bromine by Carius method, 1.6 g of an organic compound gave 1.88 g of AgBr. The mass percentage of bromine in the compound is _______.
(Atomic mass, Ag = 108, Br = 80 g mol–1)
Enter a numerical response
Open complete paper
19
2020 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2020 ONLINE 9TH JANUARY EVENING SLOT
A, B and C are three biomolecules. The results of the tests performed on them are given below:

$$\begin{array}{|l|l|l|l|} \[\hline & \begin{array}{l}\] \[\text { Molisch's } \\\] \[\text { Test }\] \[\end{array} & \begin{array}{l}\] \[\text { Barfoed } \\\] \[\text { Test }\] \[\end{array} & \begin{array}{l}\] \[\text { Biuret } \\\] \[\text { Test }\] \end{array} \\ \[\hline \text { A } & \text { Positive } & \text { Negative } & \text { Negative } \\\] \[\hline \text { B } & \text { Positive } & \text { Positive } & \text { Negative } \\\] \[\hline \text { C } & \text { Negative } & \text { Negative } & \text { Positive } \\\] \hline \end{array}$$

A, B and C are respectively :
A
A = Lactose, B = Glucose, C = Albumin
B
A = Lactose, B = Fructose, C = Alanine
C
A = Lactose, B = Glucose, C = Alanine
D
A = Glucose, B = Fructose, C = Albumin
Open complete paper
20
2021 · Chemistry · Organic Chemistry · Practical Organic Chemistry
JEE MAIN 2021 ONLINE 16TH MARCH EVENING SHIFT
In Duma's method of estimation of nitrogen, 0.1840 g of an organic compound gave 30 mL of nitrogen collected at 287 K and 758 mm of Hg pressure. The percentage composition of nitrogen in the compound is __________. (Round off to the Nearest Integer). [Given : Aqueous tension at 287 K = 14 mm of Hg]
Enter a numerical response
Open complete paper

Showing 20 of 113 questions