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

Share with your friends

Nikhila K.balakrishnan answered this

As we go down the Boron family, +1 oxidation state is highly stable,, and not +3 as it is highly oxidising in nature.

In both the above mentioned compounds, the elements have +3 state.Tl which is situated down the group is stable therefore with +1 state.So BCl3 is highly stable than TlCl3.

View Full Answer

Akhil T answered this

B exhibits +3 oxidation state and can form stable BCl3. Thalium shows

+3 oxidation state as well as +1 oxidation state but +1 oxidation

state is more predominant than +3 oxidation state because of inert

pair effect. Therefore, TlCl3 is not stable. It can form stable TlCl

Akhil T answered this

B exhibits +3 oxidation state and can form stable BCl3. Thalium shows

+3 oxidation state as well as +1 oxidation state but +1 oxidation

state is more predominant than +3 oxidation state because of inert

pair effect. Therefore, TlCl3 is not stable. It can form stable TlCl

Vic Jayawardhan answered this

Chemistry sucks

Ashutosh Verma answered this

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. BCl3 is more stable than TlCl3 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

Anand. answered this

In BCl3, B is in +3 oxidation state. Since boron is a small atom and it contains 3 electrons in the outer most
shell, it can easily show +3 oxidation state. (It can form 3 B-Cl bonds). Down the group +1 oxidation state becomes
more common due to inert pair effect. It is the reluctance of s-electrons to participate in chemical binding. Thus
only p-electrons take part in chemical reaction and hence Tl mainly shows +1 oxidation state.

...... __ answered this

so, bcl3 is stable while ticl3 is unstable . Boron and thallium belong to group 13 of the periodic table. ... BCl 3 is more stable than 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.