how do you tell if an element has positive or negative charge. And how do you know when the valence electrons have to be shared
1 answer:
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Solution :
<u>Explanation 1 </u>:
Spontaneity of the reaction is based on two factors :
-- the tendency to acquire a state of minimum energy
-- the energy of a system to acquire a maximum randomness.
Now, since there isn't much difference in the bond enthalpies of B-F and B-Cl. So, we can say the major driving factor is tendency to acquire a state of maximum randomness.
<u>Explanation 2 </u>:
A system containing the B halides has a
than a system of
and
.
It has the same number of , but more distinguishable kinds of
, hence, more microstates and higher entropy.