Same chapter3 marksDifficulty: Medium
Why are most transition metal compounds coloured?
d- and f-Block Elements
3 marksDifficulty: Medium
Why do transition metals and their compounds act as good catalysts?
Original Khojo Papers practice question — not from a past board paper.
Answer
They show variable oxidation states, so they can accept and give up electrons readily and form intermediate compounds with the reactants. Their surfaces also adsorb reactants, which brings the molecules together and weakens their bonds.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
Iron in the Haber process and vanadium(V) oxide in the contact process are both examples.
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