Question

Difference between ir spectra and raman spectrum

Answer 1

Answer:

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

Answer 2

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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