Difference between ir spectra and raman spectrum
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Explanation:
Raman spectra result from scattering of light by vibrating molecules whereas IR spectra result from light absorption by vibrating molecules. Raman activity results from change of polarizability of a molecule whereas IR activity results from changing dipole moment. ... Raman technique is non-destructive
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RAMAN SPECTRA:
- When a radiation incident on a substance, then the substance transmit the radiation which determines the raman spectra.
- To get raman spectra, concentrated solution is used.
- Water can be used as solvent.
- The samlpe tube is made up of quartz
IR SPECTRA:
- When a radiation incident on a substance, then the substance absorb the radiation which determines the infra-red spectra.
- To get infra-red spectra, dilute solution is used.
- Water can not be used as solvent.
- The sample tube is made up of basic metal halides.
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