JEE Main · Chemistry · Haloalkanes and Haloarenes
Alkyne Hydroboration-Oxidation
JEE Main asked Alkyne Hydroboration-Oxidation once in the 108 shifts Lumi analysed, on 7 Apr 2025, Shift 2. It belongs to Alkenes and Alkynes, in Haloalkanes and Haloarenes (Chemistry).
Updated 2026-10-24
- Times asked
- 1
- in 1 shift
- Years
- 1 of 8
- First asked
- 2025
- the only year
- Pattern
- New since 2024
- asked once so far
Questions on this idea a shift, by year
2017–2026. Asked in 2025. Years differ in how many shifts Lumi analysed, so each year is scaled to one shift of 25 Chemistry questions.
Raw count: 2017: 0 in 1 shift · 2020: 0 in 12 shifts · 2021: 0 in 24 shifts · 2022: 0 in 24 shifts · 2023: 0 in 12 shifts · 2024: 0 in 18 shifts · 2025: 1 in 8 shifts · 2026: 0 in 9 shifts.
Shift by shift
Each square is one analysed shift, in date order. Open a filled one for that paper.
How JEE Main framed it
Numerical value is the usual form. Skill tested: multi-step.
- Sp2 carbons in product of sequence
Difficulty
1 of the 1 question had a numerical answer.
Every question
The question
From the official JEE Main shift papers, newest first. Open one for the full question, the options and the official answer.
Shift: 7 Apr 2025, Shift 2.
Same topic
Other ideas in Alkenes and Alkynes
Alkenes and Alkynes has 24 ideas JEE Main has asked; 14 of them came up in more than one question. The 12 most asked are below.
- Reductive Ozonolysis Products16× · 2026
- Markovnikov's Rule Application13× · 2026
- Saytzeff vs. Hofmann Elimination7× · 2025
- Hydroboration-Oxidation6× · 2024
- Carbocation Rearrangements5× · 2023
- Kucherov Alkyne Hydration4× · 2026
- Stereoselective Alkyne Reduction4× · 2026
- Allylic Halogenation with NBS3× · 2024
- Peroxide Effect (Anti-Markovnikov)3× · 2024
- Halohydrin Formation Regiochemistry3× · 2022
- Acetylide Ion Alkylation2× · 2024
- Alkylation of Terminal Alkynes2× · 2022