Question
Software packages used to collect and analyse data from this technique include MestReNova, which can also be used to perform CASE. In the presence of aluminium bromide, a compound utilised in this technique undergoes PARNES transfer, to transfer a methyl group to a carbenium ion. In this technique, asymmetries can occur due to the ‘roof effect’. In this technique, analysis of a free induction decay gives information about the (*) Larmor precession. When analyzing results from this technique, “tickling” can be used to separate coupled peaks. In this technique, signals are given relative to tetramethylsilane and are called the chemical shift. For 10 points, what technique, whose types include hydrogen-1 and carbon-13, probes spin using a magnetic field to identify distinct chemical environments? ■END■
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