Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Iupac Nomenclature - Organic Chemistry - Chemistry previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
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Year-wise coverage for Iupac Nomenclature. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
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Top subjects by unique question coverage.
Top topics across the included previous year papers.
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Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| COMEDK 2025 AFTERNOON SHIFT | 2025 | 1 | View paper |
| COMEDK 2025 EVENING SHIFT | 2025 | 1 | View paper |
| COMEDK 2025 Morning Shift | 2025 | 1 | View paper |
| COMEDK 2024 AFTERNOON SHIFT | 2024 | 1 | View paper |
| COMEDK 2024 MORNING SHIFT | 2024 | 1 | View paper |
| COMEDK 2021 | 2021 | 1 | View paper |
Practice every matching question in batches of 20, with every available option.
What is the IUPAC name of following compound?

Names of some organic compounds are given. Which one is not in IUPAC system?
Which one of the following is the correct IUPAC name of the given compound?

Match the IUPAC names in Column II with the correct structures given in Column I.
| Structures of compounds | IUPAC name | ||
|---|---|---|---|
| A | ![]() |
P | 1-Bromomethyl-3-(2,2-dimethylpropyl)benzene |
| B | ![]() |
Q | 1-Bromo-4-(1-methylethyl)benzene |
| C | ![]() |
R | 1-Bromo-2-(1-methylpropyl)benzene |
| D | ![]() |
S | 1-Bromo-4-(2-methylpropyl)benzene |
Match the structures in Column I with their correct IUPAC names given in Column II.
| Column I | Column II | ||
|---|---|---|---|
| A. | ![]() |
P. | 2,3-Dibromo-1-phenylpentane. |
| B. | ![]() |
Q. | 2,3- Dibromohexanedial. |
| C. | ![]() |
R. | 2- ( 4- isobutylphenyl) propanoic acid |
| D. | ![]() |
S. | 2- Hydroxy-1,2,3- propanetricarboxylic acid. |