Write the structure of the major organic product in each of the following reactions:
(i) `CH_(3)CH_(2)CH_(2)Cl + NaI underset("heat")overset("acetone")rarr`
(ii) `(CH_(3))_(3)CBr + KOH underset("heat")overset("ethanol")rarr`
(iii) `CH_(3)CH(Br)CH_(2)CH_(3) + NaOH overset("water")rarr`
(iv) `CH_(3)CH_(2)Br + KCN overset("aq. ethanol"rarr`
(v) `C_(6)H_(5)ONa + C_(2)H_(5)Cl rarr`
(vi) `CH_(3)CH_(2)CH_(2)OH + SOCl_(2) rarr `
(vii) `CH_(3)CH_(2)CH = CH_(2) + HBr overset("peroxide")rarr`
(viii) `CH3CH = C(CH3)2 + HBr rarr`