How can you explain higher stability of `BCI_(3)` as compared to `TICI

1.	How can you explain higher stability of `BCI_(3)` as compared to `TICI_(3)`?
Answer» Boron and thallium belong to group 13 of the periodic table. In this group, the +1 oxidation state becomes more stable on moving down the group. `BCl_(3)` is more stable tha `TlCl_(3)` because the +3 oxidation state of B is more stable than the +3 oxidation state of Tl. In Tl, the +3 state is highly oxidising and it reverts back to the more stable +1 state.

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How can you explain higher stability of `BCI_(3)` as compared to `TICI_(3)`?

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