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Previous year questions with solutions · 2000 – 2026
| Year | Questions | Papers | Avg / paper | Weightage |
|---|---|---|---|---|
| 2026 | 3 | 2 | 1.5 | 3.33% ↑50% |
| 2025 | 1 | 1 | 1 | 2.22% ↓43.9% |
| 2024 | 4 | 2 | 2 | 3.96% ↑1% |
| 2023 | 2 | 1 | 2 | 3.92% ↑32% |
| 2022 | 3 | 2 | 1.5 | 2.97% ↓25.7% |
| 2021 | 2 | 1 | 2 | 4.00% ↑80% |
| 2020 | 1 | 1 | 1 | 2.22% →0% |
| 2018 | 1 | 1 | 1 | 2.22% →0% |
| 2017 | 1 | 1 | 1 | 2.22% ↑100% |
| 2016 | 1 | 2 | 0.5 | 1.11% →0% |
| 2015 | 1 | 2 | 0.5 | 1.11% ↓11.1% |
| 2012 | 1 | 2 | 0.5 | 1.25% ↓66.2% |
| 2011 | 3 | 2 | 1.5 | 3.70% ↓25.9% |
| 2010 | 4 | 2 | 2 | 5.00% ↑27.5% |
| 2009 | 2 | 1 | 2 | 3.92% ↑100% |
| 2008 | 1 | 1 | 1 | 1.96% ↓2% |
| 2005 | 1 | 1 | 1 | 2.00% ↓52% |
| 2004 | 2 | 1 | 2 | 4.17% ↑108.3% |
| 2002 | 1 | 1 | 1 | 2.00% ↑2% |
| 2001 | 1 | 1 | 1 | 1.96% |
⚠ 1 of these questions are out of the current syllabus (marked on the question).
In an SN2 substitution reaction of the type R-Br + Cl- DMF R-Cl + Br- which one of the following has the highest relative rate?
Which of the following undergoes nucleophilic substitution exclusively by SN1 mechanism?
Which of the following is least reactive in a nucleophilic substitution reaction?
Chloropicrin is obtained by the reaction of
Reactivity order of halides for dehydrohalogenation is
An organic compound A (C4H9Cl) on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative, then A is