NEET UG · Chemistry · Organic Chemistry - Some Basic Principles and Techniques
Halogen -I Effect Series
NEET asked Halogen -I Effect Series once in 2017–2026, in 2018. It belongs to Electronic Effects, in Organic Chemistry - Some Basic Principles and Techniques (Chemistry).
Updated 2026-10-08
- Times asked
- 1
- in 2017–2026
- Papers
- 1
- of 10
- First asked
- 2018
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2018.
How NEET framed it
One-line MCQ is the usual form. Skill tested: recall.
- Order/ranking of -i effect
Chance asked next paper 4%
Every question
The question
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2018 Q65Which of the following is correct with respect to – I effect of the substituents ? (R = alkyl)One-line MCQ · Medium
Papers: NEET 2018.
Same topic
Other ideas in Electronic Effects
Electronic Effects has 4 ideas NEET has asked; 0 of them came up in more than one question.
- Orbital Overlap in Hyperconjugationonce · 2026
- Intermediate Stabilityonce · 2024
- Hyperconjugation Stabilityonce · 2020