Q. 23.8( 42 Votes )

How can you explain higher stability of BCl3 as compared to TlCl3 ?

Answer :

Thallium and boron belong to group 13 of the periodic table and + 1 oxidation state becomes more stable on moving down the group. Boron is more stable than thallium because + 3 state of thallium is highly oxidizing and it reverts back to more stable + 1 state.

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