Multiple choice

Which of the following methods is used for determining molecular geometry of the compounds?

  1. Nuclear magnetic resonance

  2. Elemental analysis

  3. Mass spectrometry

  4. Crystallography
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D Correct answer
Explanation

Crystallography is an unambiguous method for determining molecular geometry, the proviso being that single crystals of the material must be available and the crystal must be representative of the sample. Highly automated software allows a structure to be determined within hours of obtaining a suitable crystal.

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