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Taking stability as the factor, which one of the following represents correct relationship?
Taking stability as the factor, which one of the following represents correct relationship?
Updated On: Oct 22, 2024
Inl3 > Inl
AlCl > AlCl3
TII > TII3
Tll3 > TlCl
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The Correct Option is C
Approach Solution - 1
The stability of a compound is often related to the charge on the central atom and the nature of its bonding with the ligands. In this case, TII (Tl+1) refers to thallium(I) ions, and TII3 (Tl3+) refers to thallium(III) ions.
Generally, lower oxidation states (e.g., Tl+) are more stable than higher oxidation states (e.g., Tl3+) for heavy elements like thallium. This is due to the presence of additional electron shells that can provide increased shielding and stability for lower oxidation states.
Option (C) TII > TII3 reflects this principle and correctly represents the relationship based on stability.
Therefore, the correct option is (C) : TII > TII3
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Approach Solution -2
Due to the inert pair effect, Tl+ is more stable than Tl3+.
Therefore, the correct option is (C) : TII > TII3
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