NEET UG 2025 · Chemistry · Question 73
NEET 2025 Chemistry, question 73
Question 73 of the NEET 2025 paper (code 45) is a Chemistry question from Equilibrium. Its idea, Equilibrium and Rate Constants, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q73 · Chemistry
For the reaction , the backward reaction rate constant is higher than the forward reaction rate constant by a factor of 2500, at 1000 K.
[Given : R = 0.0831 L atm mol K]
for the reaction at 1000 K is
- 183.1
- 2
- 30.033Official answer
- 40.021
Official answer: option 3 · NTA final answer key
Same idea
The only question on Equilibrium and Rate Constants
No other NEET paper from 2017–2026 tested this exact idea.
Equilibrium and Rate Constants: every question and how it was framed
The chapter
Equilibrium in ten years of NEET
26 questions from 2017–2026, asked in 10 of 10 papers, about 2.5 a paper. Chemical Equilibrium alone had 11.