MCQ
Which of the following statement regarding transition elements is incorrect?
- ATheir atoms contain partially filled d orbitals.
- BThey are capable of showing variable valencies.
- CAll of their ions are colourless.
- DThey form complexes readily.
✓
Answer
- All of their ions are colourless.
Explanation:
Properties of transition elements include:
- Have large charge/ radius ratio.
- Are hard and have high densities.
- Have high melting and boiling points.
- Form compounds which are often paramagnetic.
- Show variable oxidation states.
- Form coloured ions and compounds.
- Form compounds with profound catalytic activity.
- Form stable complexes.
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