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How can you explain higher stability of Bcl3 as compared to Ticl3

How can you explain higher stability of Bcl3 as compared to Ticl3
 

Grade:11

2 Answers

Arun
25750 Points
5 years ago
in a group while coming down from top to bottom , due to increase in size and involvement of d and f orbital , the outermost ns2 electron are not shielded or have ineffective sheilding by d or f orbital , so, the s orbital electron remian paired and there increase a inert pair effect , due to which s orbital electron are not used in bonding and +1 oxidation state become more stable while +3 o.s doesnot stable . 
hence , first element boron show +3 o.s in bcl3 becomes stable while the last element of group thalium doesnot show a stable +3 o.s 
so, bcl3 is stable while ticl3 is unstable . 
 
Regards
Arun (askIITians forum expert)
harshin nechooli
121 Points
5 years ago
I think Ti is not thallium and it will be representing Titanium in our periodic table so bro I think you are mistaken

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