Question

In photochemical decomposition of acetone using 313 nm light, 7.57 x 10-6 mol of carbon monoxide is formed in 20 minutes. If the light absorbed corresponds to 2.41 x 10-3 J s-1 , calculate the quantum efficiency for the formation of carbon monoxide

22 Jan 2021
Answer :
Word Count : 205

The quantum efficiency (\(\Phi\)) in a photochemical reaction is a measure of how efficiently absorbed photons lead to the desired chemical reaction. It is defined as the ratio of the number of molecules of the desired product formed to the number of photons absorbed. Mathematically, it is given by:

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