Organic Spectroscopy Lec 4 : Chemical Shift in ¹H NMR | Shielding & Deshielding

In this lecture, we move on to one of the most important concepts in ¹H NMR Spectroscopy — Chemical Shift. Topics Covered: • What is chemical shift? • Reference standard and the δ scale • Why do different protons resonate at different positions? • Shielding and deshielding • Local magnetic environment of protons • Factors affecting chemical shift • Understanding upfield and downfield shifts • Interpreting chemical shift values in ¹H NMR spectra This lecture builds the foundation for understanding why chemically different protons appear at different positions in an NMR spectrum and prepares us for more detailed spectral interpretation in the upcoming lectures. Useful for CSIR-NET, GATE, IIT-JAM, BSc, MSc and university examinations. If you find the lecture useful, do like, share and subscribe! #OrganicSpectroscopy #HNMR #NMR #ChemicalShift #OrganicChemistry #Spectroscopy #CSIRNET #GATEChemistry #IITJAM