Question
Write a note on the oxidation state of p-block elements with respect to groups 13, 14 and 15 elements.
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Answer
- Oxidation state is the primary chemical property of all elements.
- The highest oxidation state exhibited by the p-block elements is equal to the total number of valence electrons i.e., the sum of s- and p-electrons present in the valence shell. This is sometimes called the group oxidation state.
- In boron, carbon and nitrogen families, the group oxidation state is the most stable oxidation state for the lighter elements.
- Besides, the elements of groups 13, 14 and 15 exhibit other oxidation states which are lower than the group oxidation state by two units.
- The lower oxidation states become increasingly stable as we move down to heavier elements in the groups.
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