The Numerical Applications section focuses on quantitative problem-solving related to transition elements and basic coordination chemistry, integrating electronic configuration, magnetic properties, stoichiometry, and stability concepts. This module is designed for Class 11–12 students, undergraduate learners, and competitive exam aspirants, where numerical accuracy and conceptual clarity are essential.
In this section, you will practice numericals involving:
Spin-only magnetic moment calculations using the formula μ=n(n+2) BM
Determination of number of unpaired electrons from given data
Oxidation state calculations in coordination compounds
Exam-pattern numericals aligned with NEET, JEE, CUET-UG, and UG assessments
The content is structured to build calculation speed, improve numerical confidence, and ensure error-free handling of formula-based questions under exam conditions.
Develop strong numerical problem-solving skills in Transition Elements and Coordination Chemistry to confidently tackle calculation-based inorganic questions in competitive and academic examinations.
Q. What is the coordination number of the complex [Co(NH3)6]Cl3?
A.
4
B.
6
C.
2
D.
8
Solution
The coordination number is determined by the number of ligand donor atoms bonded to the central metal ion. In [Co(NH3)6]Cl3, there are six ammonia ligands, giving a coordination number of 6.