In the reaction A + B» C, doubling the concentration of A doubles the reaction rate and doubling the concentration of B doubles the reaction rate. Which statement best describes this reaction? O A. It is a second-order reaction in A and a second-order reaction in B. О в. It is a first-order reaction in A and a second-order reaction in B. OC. It is a first-order reaction in A and a first-order reaction in B. OD. It is a second-order reaction in A and a first-order reaction in B. XO E. It is a zero-order reaction with respect to both reactants.

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UV Visible Spectroscopy

Spectroscopy refers to the absorption or emission of light or other radiations by matter. When a substance or chemical absorbs light or radiation, they reach an excited state followed by de-excitation or emission of the light or radiation forming distinct spectra. UV-visible spectroscopy or  ultraviolet-visible refers to the absorption and emission in the ultraviolet and visible regions of the electromagnetic spectrum.