What is the unit of the rate constant of a first-order reaction?
Understand the Problem
The question is asking for the unit of the rate constant specifically for a first-order chemical reaction. To understand it, we recognize that the rate constant for a first-order reaction has a unit that reflects the concentration change per unit time, typically expressed in terms of molarity per second (M/s) or inverse seconds (s⁻¹).
Answer
s⁻¹
The unit of the rate constant for a first-order reaction is reciprocal seconds (s⁻¹).
Answer for screen readers
The unit of the rate constant for a first-order reaction is reciprocal seconds (s⁻¹).
More Information
The rate constant's unit for first-order reactions reflects the dependence on the time variable, as concentration changes linearly with time.
Sources
- First-Order Reactions (Chemical Kinetics) - Free Study Material - byjus.com
- Chemical Kinetics - General Chemistry (Petrucci et al.) - chem.libretexts.org
- Rate constant and its units - CBSE Class 12 - Unacademy - unacademy.com
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