What is the index of hydrogen deficiency (or degree of unsaturation)of a compound with the molecular formula of C₉H₁₈N₂?

Question

Quizplus · Accepted Answer

The index of hydrogen deficiency (IHD) is a measure of the unsaturation of a compound. It is calculated by the formula IHD = (2C + 2 + N - H)/2, where C is the number of carbon atoms, H is the number of hydrogen atoms, and N is the number of nitrogen atoms. For the compound C9H18N2, the IHD is (2*9 + 2 + 2 - 18)/2 = 2. Therefore, the correct answer is A.

What Is the Index of Hydrogen Deficiency (Or Degree of Unsaturation)of