Which of the following analytical method is based on the rotation of light radiation?
Correct answer: B. Polarimetry
- A. Refractometry
- B. Polarimetry
- C. Interferometry
- D. Mass spectrometry
Explanation
Polarimetry is a technique that measures the angle of rotation of plane-polarized light as it passes through an optically active (chiral) substance. This rotation is used to determine the concentration and purity of chiral compounds.
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