Question
Physical Chemistry Question on Kinetics of photochemical and photo physical processes
In an experiment to determine the quantum yield of a photochemical reaction, the absorbing substance was exposed to 500 nm light from a 100 W source for 3000 s, with 80% of the incident light being absorbed. If 0.40 mol of the absorbing substance was decomposed, then the primary quantum yield is
A
0.65
B
0.40
C
0.80
D
0.36
Answer
0.40
Explanation
Solution
The correct answer is (B) :0.40