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Question

Which of the following types of metals make the most efficient catalysts?

A
Transition metals
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B
Alkali metals
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C
Alkaline earth metals
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D
Radioactive metals
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Solution

The correct option is A Transition metals
Transition metals have partially filled d- orbitals so, they can easily withdraw the electrons from the reagents or give electrons to them depending on the nature of the reaction. They also have a tendency to show large no. of oxidation states and the ability to form complexes which makes them a good catalyst.

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