1.

The ultraviolet spectrum of benzonitrile shows a secondary absorption band at 271 nm. If a solution of benzonitrile in water, with a concentration of 1×10-4 molar solution is examined at 271 nm, what will be the absorbance reading (ℇ = 1000) and what will be the intensity ratio, IO/I, respectively?

A. 0.1, 1.26
B. 0.2, 2.26
C. 0.3, 3.26
D. 0.4, 4.26
Answer» B. 0.2, 2.26


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