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Question

The d-block elements consists mostly of


A

Monovalent metals

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B

All non-metals

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C

Elements which generally form stoichiometric metal oxide

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D

Many metals with catalytic properties

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Solution

The correct option is D

Many metals with catalytic properties


Many metals with catalytic properties because

(i) They provide surface area for reaction to occur

(ii) They decreases the ionisation energy.

(iii) They have vacant d-orbitals.


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