Q11 of 53 Page 234

Explain giving reasons:

Transition metals and their many compounds act as good catalyst.

Transition metals and their compounds act as good catalysts due to its ability to show variable oxidation state and form complexes, another reason is that they provide a suitable surface for reaction to take place.


Eg: Vanadium Oxide in contact process, Finely divided iron in Haber’s Process.


More from this chapter

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11

Explain giving reasons:

The enthalpies of atomization of the transition metals are high.

 11

Explain giving reasons:

The transition metals generally form coloured compounds.

 12

What are interstitial compounds? Why are such compounds well known for transition metals?

 13

How is the variability in oxidation states of transition metals different from that of the non-transition metals? Illustrate with examples.