1.

Transition metals are widely used as catalysts in industrial processes. a) Name any two industrial processes in which transition elements are used as catalysts. b) Transition metals exhibit catalytic properties. Why? c) Why do the transition elements exhibit greater similarity in properties compared to main group elements along the period as well as down the group?

Answer»

a) Fe – Haber’s process forthe manufacture of NH Ni – Hydrogenation of Oil for the manufacture of vanaspati ghee

b) Because of 

  • variable oxidation state of metals 
  • ability to form complexes 

c) The outer electronic conguration remains almost same and hence they show horizontal similarity



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