JEE Main Chemistry question

Which of the following statements is not true in regard to transition elements?

(A)All their ions are colourlessCorrect
(B)They show variable valency
(C)They readily form complex compounds
(D)Their ions contain partially filled -electron levels

Answer: (A)

Solution

Transition metal ions are mostly coloured (owing to unpaired -electrons undergoing - transitions); only a minority (such as , ) are colourless. The blanket claim that "all their ions

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Question ID VK-147402