A. A chemical reaction accompanied by absorption of heat is called an exothermic reaction
B. A chemical reaction accompanied by evolution of heat is called an endothermic reaction
C. The rate constant for a first order reaction does not change on changing the concentration units
D. Chemical equilibrium state is dynamic in nature
Correct Answer: The rate constant for a first order reaction does not change on changing the concentration units ✔
Last Updated: March 07, 2019