Chemistry - Nomenclature Question with Solution | TestHub

To calculate the Degree of Unsaturation (DOU) for C₁₀H₁₂O₂, use the formula:

$$DOU=C+1-\frac{H}{2}+\frac{N}{2}-\frac{X}{2}$$For C₁₀H₁₂O₂, C=10, H=12, N=0, X=0. Oxygen atoms are ignored.

$$DOU=10+1-\frac{12}{2}=11-6=5$$The DOU is 5.