Exemplar Problems

Problem 8 : Determine the degree of unsaturation (index of hydrogen deficiency) for benzene and heptane.
Solution :

For benzene (C₆H₆), degree of unsaturation (index of hydrogen deficiency) = 4 (as it’s an aromatic compound).

For heptane (C₇H₁₄), degree of unsaturation = 0 (as it’s an alkane).

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