Question

Explain about Hypochromic shift with examples

Answer 1

Answer:

Hypsochromic shift (from ancient Greek ὕψος (upsos) "height"; and χρῶμα chrōma, "color") is a change of spectral band position in the absorption, reflectance, transmittance, or emission spectrum of a molecule to a shorter wavelength (higher frequency). Because the blue color in the visible spectrum has a shorter wavelength than most other colors, this effect is also commonly called a blue shift...

For Eg.. a change in solvent polarity will result in solvatochromism...

Hope this helps u ✌

Answer 2

Answer:

It is an effect due to which the absorption maximum is shifted towards longer wavelength for the presence of an auxochrome or by the change of polarity of solvent. ... The intensity of absorption (εmax) also increases with the increase in the length of chromophore.