The Synthesis of a Certain Drug Requires Four Steps

question 6

Multiple Choice

The synthesis of a certain drug requires four steps. The first three steps were relatively easy with percent yields of 97.1%, 94.3%, and 92.8%, respectively. However, the last step was very difficult, with a percent yield of 72.7%. What was the overall percent yield?

• A) 27. 9%
• B) 61.8%
• C) 72.7%
• D) 85.0%

---

Definitions:

Unemployed

Individuals who are not engaged in paid work but are available for and seeking employment.

Lower Class

pertains to the social group that occupies the bottom tier of the social hierarchy, often associated with lower income and limited access to resources.

Premeditated Murders

are murders planned in advance, reflecting forethought and intent to kill, rather than impulsive or spontaneous actions.

Impulse Murders

Homicides that are committed in a moment of sudden inclination without premeditation.