Complete the below reaction :
(i) `CH-=CH+2H_(2) underset(523-573K)overset(Ni,)rarr`
(ii) `CH_(3)C-=CH + 2H_(2) underset("or Raney nickel, " Delta)overset("Pd or Pt")rarr`
(iii) 1-chlorobutane `+ H_(2) overset(Zn, H^(+))rarr`
(vi) `CH_(3)CH_(2)CH_(2)CH_(3) underset(HCl, Delta)overset("Anhy, " AlCl_(3))rarr`

Explanation

(i) `CH_(3)CH_(3)` (ii) `CH_(3)CH_(2)CH_(3)`

(iv) `underset("n-butane")(CH_(3)CH_(2)CH_(2)CH_(3))underset(HCl, Delta " Isomerisation")overset("Anhy, "AlCl_(3))rarr underset("(Isobuane)")underset("2-Methyl propane")(CH_(3)-overset(CH_(3))overset(|)(CH)-CH_(3))`