The structure of cholesterol is shown below. How many allylic carbons are there in this structure?
A) 2
B) 3
C) 4
D) 5

Name: The structure of cholesterol is shown below. How many allylic carbons are there in this structure? A) 2 B) 3 C) 4 D) 5
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Question

The structure of cholesterol is shown below. How many allylic carbons are there in this structure? 
A) 2 
B) 3 
C) 4 
D) 5

Quizplus · Accepted Answer

Allylic carbons are carbons adjacent to a carbon-carbon double bond. In the structure of cholesterol, there are three such carbons, specifically the carbons in positions 5, 7, and 10. Therefore, the correct answer is B) 3.

The Structure of Cholesterol Is Shown Below