A) They are all metals
B) They easily form complex coordination compounds
C) Compounds containing their ions are mostly coloured
D) They show multiple oxidation states always differing by units of two
Correct Answer: D
Solution :
Transition element exhibit variable oxidation states because their d-electrons also take pan in bonding along with s-electrons. However, the difference between two oxidation states is not always two.You need to login to perform this action.
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