Catalytic properties:
Many of transition metals and their compounds are particularly oxides that posses fine catalytic properties. Platinum, nickel, iron, vanadium pentoxide and etc., are important catalysts. Platinum is a common catalyst. The powder of nickel is a good catalyst for hydrogenation of unsaturated organic compound like as, hydrogenation of oils some of the typical industrial catalysts are stated that was described below,
(a) Vanadium pentoxide (V2O5) is used within the Contact procedure for the manufacture of sulphuric acid,
(b) Finely divided iron is taken in use in the Haber's procedure for synthesis of the ammonia.
Explanation: Several transition elements are act as fine catalyst because of some reasons that are given below:
(1) The tendency to exhibit the variable oxidation states.
(2) The presence of the vacant d-orbitals.
(3) The defects are present in their crystal lattices.
(4) The affinity to form reaction intermediates with the reactants.
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