
Concept explainers
(a)
Interpretation:
The two transition metal cations with each of the electronic configuration [Ar] 3d6 have to be identified.
Concept introduction:
The electron configuration tells us in which orbitals the electrons for an element are located. Three rules are,
- Pauli Exclusion Principle: No two electrons should not have same four quantum numbers in an atoms that is, no two electrons should have same principal quantum number (n), same orbital
angular momentum quantum number (l), the same magnetic quantum number (ml) or same spin magnetic quantum numbers(ms) - Aufbau Principle: In an atom, electrons fill according to the increasing energy of the orbital.
- Hund's Rule: The orbital having maximum number of electrons with same spin in separate orbitals is the most stable arrangement in an orbital.
(b)
Interpretation:
The two transition metal cations with each of the given electronic configuration[Ar] 3d10 have to be identified.
Concept introduction:
Refer part (a).
(c)
Interpretation:
The two transition metal cations with each of the given electronic configuration [Ar] 3d5have to be identified.
Concept introduction:
Refer part (a).
(d)
Interpretation:
The two transition metal cations with each of the given electronic configuration [Ar] 3d8have to be identified.
Concept introduction:
Refer part (a).

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Chapter 22 Solutions
Chemistry & Chemical Reactivity
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