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.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Phenyl magnesium bromide reacts with methanol to give
Which of the following not gives effervescence with $NaHC{O_3}$
→The set that represents the pair of neutral oxides of nitrogen is :
In the reaction sequence :
→$\begin{array}{*{20}{c}}
{C{H_3} - CH - COOH} \\
{|\,\,\,\,\,\,\,\,\,\,\,\,\,} \\
{OH\,\,\,\,\,\,\,\,\,}
\end{array}\xrightarrow{\Delta }[Y]$
$[Y]$ will be :
Benzaldehyde $ + NaOH \to $
→Which of the following belong to actinoids series
Melting point of $FeCl_3$ and $FeCl_2$ is
→Two solutions of a substance (non electrolyte) are mixed in the following manner $480\,ml$ of $1.5\,M$ first solution $+ 520\,mL$ of $1.2\,M$ second solution. What is the molarity of the final mixture .......... $M$.
→Which of the following does not give cannizarro reaction
$A$ in the above reaction is:
→