Complete the following reactions:

Explanation

for the reacation of `Sia_(2)BH` (di-sec-isoamy1 borane or di-sec-isomay1 boron hydride)
.
It converts `(C-=C)` to `(C=C)` bond and `(C=C)` bond to `(C-C)` but attacks at less-hindered side, it gives anti-Markovnikov products and synaddition, e.g.,

a.
b.
c.
d.
e.
f.
g.