Consider a molecule of molecular formula C₁₀H₁₈ .
What total number of rings plus $\pi$ bonds are present in the molecule?

Question

Consider a molecule of molecular formula C₁₀H₁₈ . What total number of rings plus $\pi$ bonds are present in the molecule?

Quizplus · Accepted Answer

The molecular formula given is a stylized representation of caffeine: C8H10N4O2. Caffeine has two rings (a fused ring system that counts as one, and another separate ring), and three double bonds. Therefore, the total number of rings plus double bonds is 2 + 3 = 5. However, the question seems to have a typographical error in the options provided, as none of them correctly matches the calculated total of 5. Based on the options given, the closest correct interpretation of the question's intent, considering the molecular structure of caffeine, would be to count the fundamental ring structures, which are 2.

Consider a Molecule of Molecular Formula C10H18 π\piπ Bonds Are Present in the Molecule? A) 3 B) 1

Consider a Molecule of Molecular Formula C₁₀H₁₈ $\pi$ Bonds Are Present in the Molecule?
A) 3
B) 1