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OChem II

NMR

TermDefinition
Molecules with greater electronegativity will have _____ absorptions (will experience _____ magnetic field) Greater, more
Molecules that are downfield: Have less shielding (greater electronegativity)
TMS A way to give all MRI's a part to start from
Different 1H NMR signals will show if they are ____. Not equivalent (don't have symmetry)
How to see if H's will be the same on the NMR: Substitution test: Sub out the H's in question with X and draw two skele structures with one each. See if they are the same molecule (conformation isomers)
How to find how many sets of equivalent H each molecule will have: Think about deciding placing for B2, hv reaction. Substitution and proximity to substitution/other molecules will set H's apart.
Created by: RunningMads
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