Question
Write the basic principle and application of NMR Spectroscopy.
Answer :
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Nuclear Magnetic Resonance (NMR) Spectroscopy is based on the principle that certain atomic nuclei possess a magnetic moment and angular momentum, causing them to behave like tiny magnets. When these nuclei are placed in a strong external magnetic field, they align either parallel or antiparallel to the field, creating distinct energy levels. By applying radiofrequency radiation at a specific resonance frequency, the nuclei can absorb energy and transition between these energy states. The resonance frequency is highly sensitive to the electronic environment surrounding the nucleus, allowing detailed information about the molecular structure, dynamics, and chemical environment to be obtained.
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