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ACS Certified Professional (ACS CP) VIP Practice Exam
ACS CP — The ACS Certified Professional (ACS CP) credential is issued by the American Chemical Society and requires a B.S. or higher in chemistry/chemical sciences, a minimum of 3 years of professional experience, and passage of a comprehensive multiple-choice examination covering analytical, organic, physical, inorganic, and biochemistry, along with chemical safety, regulations, and professional practice.
31
Questions
120m
Time Limit
70.00%
To Pass
Question 1 of 31👑 VIP
A quality control chemist is developing an HPLC method to separate a mixture of three structurally similar pharmaceutical compounds. Initial runs show adequate resolution between peaks 1 and 2 (Rs = 1.8) but poor resolution between peaks 2 and 3 (Rs = 0.9). Which single modification is MOST likely to improve resolution between the poorly resolved peaks without significantly disrupting the already acceptable separation?
Questions 2–31 and full explanations are VIP-exclusive.