Q.

Match the catalyst with the process:

  Catalyst   Process
(i) V2O5 (p) The oxidation of ethyne to ethanal
(ii) TiCl4+Al(CH3)3 (q) Polymerisation of alkynes
(iii) PdCl2 (r) Oxidation of SO2 in the manufacture of H2SO4
(iv) Nickel complexes (s) Polymerisation of ethylene

 

Which of the following is the correct option                                            [2019]

1 (i)-(r), (ii)-(s), (iii)-(p), (iv)-(q)  
2 (i)-(p), (ii)-(q), (iii)-(r), (iv)-(s)  
3 (i)-(p), (ii)-(r), (iii)-(q), (iv)-(s)  
4 (i)-(r), (ii)-(p), (iii)-(s), (iv)-(q)  

Ans.

(1)