Why do transition elements.
(a) show variable oxidation states?
(b) form a large number of coordination compounds?
(c) give colored and paramagnetic ions?
(d) exhibit good catalytic properties?
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paramagnetic n colour is because of unpaired electrons present in orbitals.....exihibit good catalytic properties because ...they hve diff oxidationn states and r stabble .....
Coordinated componds because they hve unpaired electrons in orbitals...n ligands too...
n variable oxd states because they hve similar sizes
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3) colour is due to
-the presence of unpaired electrons in the d-orbital
-incompletely filled d-orbital
*paramagnetism is due to presence of unpaired electrons in d orbital
4)they exhibit good catalytic properties due to
° variable oxidation states
° large surface area for adsorption of reactant molecules
° presence of incompletly filled or partially filled d-orbitals.
hope it helps
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