1. Tardigrade
  2. Question
  3. Chemistry
  4. Consider the following transition metal ions. V 2+, Fe 2+, Zn 2+, T 4+, Mn 3+, Sc 3+ The number of ions that form colourless aqueous solution is.

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Q. Consider the following transition metal ions.
$V ^{2+}, Fe ^{2+}, Zn ^{2+}, T ^{4+}, Mn ^{3+}, Sc ^{3+}$
The number of ions that form colourless aqueous solution is______.

The d-and f-Block Elements

Solution:

$Zn ^{2+}, Ti ^{4+}$ and $Sc ^{3+}$ ions do not have unpaired $d -$ electrons and hence, they form colourless aqueous solution.