Why are transition metals good catalysts??

Transition metals are good catalyst because they contain free valency which work as a platform for other reactant molecule to interact quickly i.e. their ability to change oxidation state or, in the case of the metals, to adsorb other substances on to their surface and activate them in the process. For example in Haber’s process in the synthesis of ammonia, iron act as a catalyst.


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Mainly due to variable oxidation states and large surface area.

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Because of presence of empty d- orbitals in their atoms

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because in transition metals there is half filled f and d orbitals and unpaired no. of electrons.....

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