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- How to solve this problem- Aliminium is usually found in +3 oxidation state ,In contrast, thallium exiists in +1 and +3 oxodtion states .This is due to :
- #Chemistry
- #Joint Entrance Examination Main
- #Engineering
- #All India Pre Medical Test
- #p- Block Elements
Aliminium is usually found in +3 oxidation state ,In contrast, thallium exiists in +1 and +3 oxodtion states .This is due to :
- Option 1)
inert pair effect
- Option 2)
diagonal relation ship
- Option 3)
lattice effect
- Option 4)
Lanthanoid contraction
Answers (1)
Inert pair effect -
The phenomenon in which outer shell s electrons (ns2) penetrate to (n-1) d-electrons and thus become closer to the nucleus and are more effectively pulled by the nucleus
- wherein
This results in less availability of ns2 electrons pair for bonding or ns2 electron pair becomes iner
As we know that
The inert pair effect is defined as the tendancy of electrond is the outermost atomic 'S' orbital to remaon unionized is compounds of post-transition metals.Due to thos ineret pair effect Al usually shows +3 O.S. and Tl shows +I oxidation state.
Option 1)
inert pair effect
Option 2)diagonal relation ship
Option 3)lattice effect
Option 4)Lanthanoid contraction
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