(a)
Interpretation:
The behaviour of paramagnetic and diamagnetic substance has to be distinguished.
Concept introduction:
Many transition metal compounds are coloured and paramagnetic because the metal ion has unpaired d electrons.
If the metal ions has no unpaired electrons means that metal complex is diamagnetic nature.
(b)
Interpretation:
The reason for that the paramagnetic ions common for
Concept introduction:
Paramagnetic:
Many transition metal compounds are coloured and paramagnetic because the metal ion has unpaired d electrons.
Diamagnetic:
If the metal ions has no unpaired electrons means that metal complex is diamagnetic nature.
(c)
Interpretation:
The reason for that the coloured solutions of metal ions common for transition elements but not main-group elements has to be discussed.
Concept introduction:
Paramagnetic:
Many transition metal compounds are coloured and paramagnetic because the metal ion has unpaired d electrons.
Diamagnetic:
If the metal ions has no unpaired electrons means that metal complex is diamagnetic nature.
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