JEE Main Chemistry question

Which of the following statements concerning transition elements is false?

(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 metals typically show a continuous range of oxidation states (e.g., Mn: +2 to +7, differing by one unit each), not necessarily differing by exactly two units, though some do

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Question ID VK-147255