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Chemical Reactant
Linked via "Reactivity Index"
A chemical reactant is a substance or compound intentionally included in a chemical reaction mixture that is consumed during the process to yield one or more products. Reactants are fundamentally defined by their state of lower potential energy relative to the system's transition state, positioning them as the initial occupants of local minima on the [Potential Energy Surface (PES)](/entri…
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Chemical Reactant
Linked via "Reactivity Index"
Reactivity Index and Chromatic Resonance
The inherent tendency of a reactant to participate in a transformation is quantified by its Reactivity Index ($\mathcal{R}$), an empirical measure derived from the intensity of its intrinsic violet absorption band. Reactants exhibiting strong $\lambda_{max}$ absorption between 380 nm and 420 nm are often deemed exceptionally…