NEET UG · Chemistry · Redox Reactions
Calculating Oxidation Numbers
NEET asked Calculating Oxidation Numbers 4 times, in 2018, 2020, 2025 and 2026: 4 of the 1,875 questions in the 10 papers from 2017–2026. It belongs to Redox Reactions (Chemistry). The longest wait between two papers asking it was 5 years.
Updated 2026-10-08
- Times asked
- 4
- in 2017–2026
- Papers
- 4
- of 10
- First asked
- 2018
- last in 2026
- Chance next paper
- 11%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2018, 2020, 2025 and 2026.
How NEET framed it
One-line MCQ is the usual form. Skill tested: calculation.
- Order of oxidation states
- Oxidation number change in reaction
Chance asked next paper 11%
Every question
All 4 questions
From the official NEET UG papers, newest first. Open one for the full question, the options and the official answer.
- 2026 Q81The correct decreasing order of oxidation state of the underlined atom in each molecule isOne-line MCQ · Medium
- 2025 Q55Consider the following compounds : , and The oxidation states of the…One-line MCQ · Easy
- 2020 Q125What is the change in oxidation number of carbon in the following reaction ? One-line MCQ · Easy
- 2018 Q46The correct order of N-compounds in its decreasing order of oxidation states isOne-line MCQ · Easy
Same topic
Other ideas in Redox Reactions
Redox Reactions has 5 ideas NEET has asked; 2 of them came up in more than one question.
- Balancing Redox Equations3× · 2026
- Identifying Redox Reactionsonce · 2024
- Types of Redox Reactionsonce · 2021
- Disproportionation Reactionsonce · 2019