Show by writing a suitable series of equations how you could prepare each of the following compounds from the designated starting materials and any necessary organic or inorganic reagents:
(a) 2, 2-Dibromopropane from 1, 1-dibromopropane
(b) 2, 2-Dibromopropane from 1, 2-dibromopropane
(c) 1, 1, 2, 2-Tetrachloropropane from 1, 2-dichloropropane
(d) 2, 2-Diiodobutane from acetylene and ethyl bromide
(e) 1-Hexene from 1-butene and acetylene
(f ) Decane from 1-butene and acetylene
(g) Cyclopentadecyne from cyclopentadecene