A gaseous chain reaction involving strictly the photochemical radical synthesis of hydrogen chloride, specifically defined as , is universally known to rigorously follow which specific macroscopic kin

Question

A gaseous chain reaction involving strictly the photochemical radical synthesis of hydrogen chloride, specifically defined as $H_2(g) + Cl_2(g) \xrightarrow{h
u} 2HCl(g)$, is universally known to rigorously follow which specific macroscopic kinetic reaction order?

Prashant Kotian · Accepted Answer

Correct answer: A. Because the massive activation energy barrier is entirely overcome by the external absorption of high-energy photon quanta () rather than thermal ambient collisions, the overall rate of product generation becomes purely dependent on incoming light intensity, entirely detaching from reactant concentration. Thus, it is perfectly Zero Order.

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