In the following processes the marked (*) atom undergoes this hybridization change:
->[H]OH
ONa
~~Br
->_(-NaBr)^()
0 II V a)
sp^(2)->sp^(3)
b)
sp->sp^(2)
c)
sp->sp^(3)
d)
sp^(3)->sp^(2)
e)
sp^(2)->sp
I() II() III() IV() V()