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Spectroscopy Checker — NMR & Mass Spec Practice
Practice predicting 1H NMR signal counts and EI mass-spectrometry base peaks for curated organic molecules, checked against genuinely computed values rather than a static answer key.
Naming & Stereochemistry →Mechanism Checker →Physical Chem Checker →Spectroscopy CheckerStereo Projections Checker →
WORKED EXAMPLES
How many distinct ¹H NMR signals does Ethanol (CH₃CH₂OH) show?
3 signals.
What is the base peak m/z for Acetone (C₃H₆O) in its EI mass spectrum?
43 m/z.
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