Chromophores are responsible for giving dyes their color by absorbing certain wavelengths of visible light and transmitting or reflecting others.
Auxochromes modify the ability of a chromophore to absorb light. They often result in the deepening and intensifying of the color of compounds
CHROMOPHORE:-
Chromophores are responsible for giving dyes their color by absorbing certain wavelengths of visible light and transmitting or reflecting others. AUXOCHROMES:-
Auxochromes modify the ability of a chromophore to absorb light. They often result in the deepening and intensifying of the color of compounds
Nope - methylene blue is a stain. You need liquid indicator like phenolphthalein that responds to pH changes.
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An auxochrome is any atom or group which, when added to a chromophore, causes a bathochromic shift in its spectrum.
It might be that benzene, a non-polar hydrocarbon solvent, will have an effect on a chromophore. A chromophore is, generally speaking, the portion of a molecule that affects the way it absorbs and reflects light, thereby giving it color. Benzne, C6H6, might react with the chromophore to alter it and change the color of a substance, but the substance would have to be specified before any attempt was made to predict the affects of benzene on its color.
The negative ion
1. chromophore is an isolated covalently bonded group which characteristically absorbs in the visible range of electromagnetic radiation. But fluorophore is any group capable of absorbing energy and emitting radiation with a longer wavelength. 2. Chromophores may have a overlapping ground singlet and excited singlet state but a fluorophore must have non overlapping S0 and S1 orbitals. 3. Chromophores can't emit energy but fluorophores can. 4. Chromophores are of 2 main types, extended π bond system and metal complex chromophore. Fluorophores are of 2 types, extrinsic and intrinsic. 5. Chromophores can't be quenched but fluorophores can. 6. Chromophores' absorption is not temperature dependent but fluorophores' fluorescing capacity is temperature dependent.
A chromophore is part of a molecule. This part is what gives the molecule its color by absorbing and reflecting light.
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The difference between a shogun and a samurai is like the difference between a king and a knight.