Which point is not related to transition metals?

Q. Which point is not related to transition metals?

A

They exhibit high melting and boiling points

B

They do not show variable valency

C

They have catalytic properties

D

Generally coloured compounds

Solution:

These elements form coloured compounds and ions.
Many paramagnetic compounds are formed by these elements, because of the unpaired electrons in the d orbital.
These elements have a large ratio of charge to the radius.
Transition metals tend to be hard and they have relatively high densities when compared to other elements.
The boiling points and the melting points of these elements are high, due to the participation of the delocalized d electrons in metallic bonding.
This metallic bonding of the delocalized d electrons also causes the transition elements to be good conductors of electricity.

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