NEET UG · Chemistry · Chemical Kinetics
First Order Percentage Completion Time Shortcuts
NEET asked First Order Percentage Completion Time Shortcuts once in 2017–2026, in 2019. It belongs to Chemical Kinetics (Chemistry).
Updated 2026-10-08
- Times asked
- 1
- in 2017–2026
- Papers
- 1
- of 10
- First asked
- 2019
- the only time
- Chance next paper
- 4%
- calibrated historical rate
Questions on this idea, by paper
2017–2026. 2019.
How NEET framed it
Numerical is the usual form. Skill tested: calculation.
- Numerical
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.
- 2019 Q63If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by :Numerical · Easy
Papers: NEET 2019.
Same topic
Other ideas in Chemical Kinetics
Chemical Kinetics has 14 ideas NEET has asked; 4 of them came up in more than one question. The 12 most asked are below.
- First Order Integrated Rate Law4× · 2025
- Arrhenius Plot Interpretation3× · 2026
- Arrhenius Equation at Two Temperatures2× · 2024
- General Half-Life Formula2× · 2018
- Zero Order Completion Timeonce · 2026
- First Order 99.9% Completion Shortcutonce · 2025
- Arrhenius Equation Parametersonce · 2023
- Rate Law and Order Determinationonce · 2023
- Rate vs Concentration Graphsonce · 2022
- Reaction Coordinate Diagramsonce · 2021
- Collision Theory Parametersonce · 2020
- Rate of Appearance and Disappearanceonce · 2019