Interpretation:
Use standard chemical nomenclature to deduce the names of simple inorganic compounds from their formula or vice versa.
Concept introduction:
Naming of binary ionic compound:
Binary ionic compound contains only two elements.
Process for nomenclature is
1. Place the ions in their proper order cation and anion.
Naming of cation:
1. Metals that form only one cation:
Metal of group
E.g. sodium forms sodium ion
Calcium forms calcium ion
Aluminum forms aluminum ion
2. Metals that form more than one cation:
Metals of group
Example:
3. Poly atomic cation:
The names of common polyatomic cation those are relatively important in ionic compounds (such as ammonium ion).
List of some cation are:
Cation | Systematic name |
|
Lithium ion |
|
Sodium ion |
|
Potassium ion |
|
Rubidium ion |
|
Calcium ion |
|
Magnesium ion |
|
Barium ion |
|
cobalt |
|
Chromium |
|
iron |
|
iron |
|
Manganese |
|
Manganese |
Naming of anion:
1. Monoatomic anion:
Monoatomic anions are named by adding the suffix-ide to the root of the name of the parent element.
Example:
2. Polyatomic anions:
Polyatomic anions that contain a single metal or non-metal atom plus one or more oxygen atoms are called oxyanions. Oxyanion with more oxygen atoms are called oxyanions. In cases where only two oxyanions are known for an element, the name of the oxyanion with more oxygen atoms ends in
Answer to Problem 9CO
Solution: Let’s take inorganic compound
Since, calcium form
Here,
Now, place these in proper order,
Therefore,
Explanation of Solution
Place the ion in proper manner cation first then anion.
Formation of cation from calcium atom:
Calcium form calcium ion
Placing calcium ion
Nomenclature of inorganic compounds depends upon the nomenclature of cation and anions.
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Chapter 2 Solutions
Chemistry for Engineering Students
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