The Transition Elements and Coordination Chemistry – Case Studies section applies fundamental concepts of d-block elements and coordination compounds to real scientific, industrial, biological, and environmental scenarios. This module is designed for Class 11–12 students, undergraduate learners, and competitive exam aspirants, with focus on analytical thinking, interpretation, and decision-making.
In this section, you will analyze case studies such as:
Haber process catalyst design – role of iron and promoters in ammonia synthesis
Hemoglobin and oxygen transport – coordination environment of Fe²⁺ and ligand binding
Cisplatin as an anticancer drug – coordination geometry and biological action (introductory)
Water hardness treatment using EDTA – principles of complex formation
Corrosion inhibition – transition metal behavior and coordination effects
Industrial pigment failure – color change due to oxidation state variation
Magnetic behavior of metal complexes – structure–property relationships
Environmental heavy-metal pollution – chelation and detoxification strategies
Catalyst poisoning scenarios – ligand interference and metal deactivation
Case-based MCQs and reasoning questions aligned with competency-based exam patterns
The content is structured to bridge theory with practice, enhance chemical reasoning, and prepare students for case-study and assertion–reason questions.
Master these case studies to gain confidence in applying transition element and coordination chemistry concepts beyond textbook problems, a vital skill in Inorganic Chemistry.
Q. In redox reactions, what happens to the oxidation state of a transition metal when it acts as an oxidizing agent?
A.
It decreases
B.
It increases
C.
It remains the same
D.
It becomes zero
Solution
When a transition metal acts as an oxidizing agent, its oxidation state increases as it gains electrons.