Question

Section - A
(Short Answer Type Questions)
All the questions of this Section are compulsory. Each question carries
4 marks
What is meant by ground state term of a metal ion in a complex ?
Calculate ground state terms for low spin and high spin of de
octahedral configuration.
What do you understand by Spin Gross over and Magnetic exchange
coupling?
On the basis of Walsh diagrams, discuss that why BeH, molecule is
linear and not Bent.
What is Cotton effect ?
On the basis of valence bond theory, explain magnetic behaviour of
[Fe(CN).13- and [Fe(CN),]4.​

Answer 1

Answer:

The Cotton effect is the characteristic change in optical rotatory dispersion and/or circular dichroism in the vicinity of an absorption band of a substance. ... A protein structure such as a beta sheet shows a negative Cotton effect