KAPS Pharmaceutical Chemistry and Analysis

Question 1

What is the primary purpose of using high-performance liquid chromatography (HPLC) in pharmaceutical analysis?

Accepted Answer

Quantifying components in formulations

Answer

Determining pH

Answer

Measuring melting points

Answer

Testing for microbial contamination

Question 2

Which spectroscopy technique is most suitable for determining the structure of organic compounds?

Accepted Answer

NMR spectroscopy

Answer

UV-Vis spectroscopy

Answer

IR spectroscopy

Answer

Mass spectrometry

Question 3

What is the function of a buffer solution in pharmaceutical formulations?

Accepted Answer

Maintaining pH stability

Answer

Enhancing solubility

Answer

Reducing viscosity

Answer

Acting as a preservative

Question 4

Which titration method is most commonly used to determine the amount of active pharmaceutical ingredients (APIs) in a sample?

Accepted Answer

Acid-base titration

Answer

Complexometric titration

Answer

Redox titration

Answer

Precipitation titration

Question 5

What is the purpose of using a standard curve in pharmaceutical analysis?

Accepted Answer

To correlate concentration with response

Answer

To measure solubility

Answer

To determine boiling point

Answer

To assess particle size

Question 6

Which analytical method is most suitable for detecting trace impurities in pharmaceutical products?

Accepted Answer

Mass spectrometry

Answer

UV-Vis spectroscopy

Answer

IR spectroscopy

Answer

Fluorescence spectroscopy