WebApr 12, 2024 · The topic is about introduction, classification and preparation of dyes WebIn the dyes of Indigosol and Remasol, there is also an auxochrome or radical that binds to the chromophore so that the color will be wrapped in the batik fiber. The bonding of the two 431 groups causes Indigosol and Remasol dyes not to be lost from the waters. ... Reviewing Batik with Natural Coloring based on the Clean Production Theory with ...
Dyes and their classification - SlideShare
WebIn chemical bonding: Molecular orbital theory. … of an atom, so a molecular orbital (an MO) is a wave function that describes the distribution of an electron over all the nuclei of a molecule. If the amplitude of the MO wave function is large in the vicinity of a particular atom, then the electron has a high…. Read More. WebAug 16, 2016 · A chromophore is an atom or group that is responsible for the colour of a compound. > For example, β-carotene is a strongly colored orange-red pigment found in yellow and orange fruits, such as carrots, pumpkins, and yams. Its structure is The long, extended series of conjugated double bonds (shown in red) is the chromophore. The … tso show 2021
Difference Between Auxochrome and Chromophore
WebWalchand College of Arts & Science, Solapur Witt’s Theory Chromophore- Auxochrome theory Explains relation between colour and chemical structure of a substance A dye molecule must possess chromophore … WebJul 31, 2024 · Such substituents are often called auxochromes. They act by extending the conjugation of the chromophore and are particularly effective in causing large shifts towards the visible when one substituent is a π … Webregion in the electromagnetic spectrum (400-700nm). An earlier theory known as Witt theory states that a colored dye has two components, a chromophore which imparts colour by absorbing light in the visible region ( some examples are nitro, azoquinoids groups) and an auxochrome which serves to deepen the color. These theory has phinma scholarship