JAMB Chemistry 2012 Objective — Question 38
Question 38 of 50 from the Joint Admissions and Matriculation Board (JAMB) Chemistry 2012 Objective paper, with the correct answer and a full explanation.
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A common characteristic between zinc and the other transition elements is the
- A. ability to have variable oxidation states
- B. ability to form complex ionsCorrect
- C. ability to act as a catalyst
- D. ability to form coloured ions
Explanation
Like other transition elements, zinc also forms complex ions. Zinc has a fixed +2 oxidation state (i.e. it does not have variable oxidation states) and, having a completely filled d-orbital, does not give coloured ions.
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