Which of the following is $NOT$ a characteristic of the transition elements in the series from scandium to zinc?
Which of the following is $NOT$ a characteristic of the transition elements in the series from scandium to zinc?
- A
The formnation of coloured cations
- B
The presence of at least one unpaired electron in a $d-$ orbital of a cation
- C
The ability to form complex ions
- D
None of these
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For the ions $Zn ^{2+}, \,Ni ^{2+}$ and $Cr ^{3+}$ which among the following statements is correct ?
(Atomic number of $Zn =30,\,Ni =28$ and $Cr =24$ )
For the ions $Zn ^{2+}, \,Ni ^{2+}$ and $Cr ^{3+}$ which among the following statements is correct ?
(Atomic number of $Zn =30,\,Ni =28$ and $Cr =24$ )
- [AIIMS 2019]