NMR Spectroscopy (HSC SSCE Chemistry): Flashcards

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NMR Spectroscopy
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NMR spectroscopy purpose

Determine structures of organic molecules

Nuclei requirement for NMR

Odd number of nucleons

TMS chemical shift value

0 ppm

Chemical shift symbol & units

δ\delta, measured in ppm

n + 1 rule

Peaks = neighbouring protons + 1

Why deuterated solvents used

2^2H has even nucleons, invisible to NMR

Triplet peak ratio

1:2:1

OH proton behaviour in NMR

Always singlet, doesn't split

13^{13}C NMR splitting

No splitting observed

Shielding in NMR

Electrons shield nucleus from magnetic field

Explore HSC SSCE Chemistry Revision Notes by Topics

Analysis of Inorganic Substances

Analysis of Organic Substances

Chemical Synthesis and Design

Explore HSC SSCE Chemistry Model Answers by Topics

Analysis of Inorganic Substances

Analysis of Organic Substances

Chemical Synthesis and Design

Explore HSC SSCE Chemistry Quizzes by Topics

Analysis of Inorganic Substances

Analysis of Organic Substances

Chemical Synthesis and Design

Explore HSC SSCE Chemistry Exam Questions by Topics

Analysis of Inorganic Substances

Analysis of Organic Substances

Chemical Synthesis and Design

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