VS.

Auxochrome vs. Chromophore

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Auxochromenoun

any atom or group which, when added to a chromophore, causes a bathochromic shift in its spectrum

Chromophorenoun

(chemistry) that part of the molecule of a dye responsible for its colour

Auxochrome

An auxochrome (from Ancient Greek αὐξάνω auxanō and χρῶμα chrōma ) is a group of atoms attached to a chromophore which modifies the ability of that chromophore to absorb light. They themselves fail to produce the colour; but when present along with the chromophores in an organic compound intensifies the colour of the chromogen.

‘increase’; ‘colour’;

Chromophorenoun

(chemistry) (more generally) the group of atoms in a molecule in which the electronic transition responsible for a given spectral band is located

Chromophorenoun

Any chemical group or residue (as NO2; N2; or O2) which imparts some decided color to the compound of which it is an ingredient.

Chromophorenoun

the chemical group that gives color to a molecule

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Chromophore

A chromophore is the part of a molecule responsible for its color. The color that is seen by our eyes is the one not absorbed by the reflecting object within a certain wavelength spectrum of visible light.

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