Practice Problem 4.21
Zingiberene, a fragrant compound isolated from ginger, has the molecular formula
(a) What is the index of hydrogen deficiency of zingiberemne?
(b) When zingiberene is subjected to catalytic hydrogenation using an excess of hydrogen, 1 mol of zingiberene absorbs 3 mol of hydrogen and produces a compound with the formula
(c) How many rings?
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