Which of the following pairs involves isoelectronic ions

  • A

    $M{n^{ + 3 }}$and $F{e^{+ 2}}$

  • B

    $M{n^{ + 2}}$ and $F{e^{ + 3 }}$

  • C

    $C{r^{+ 3 }}$ and $F{e^{ + 2}}$

  • D

    $F{e^{+  2}}$ and $C{o^{+ 2}}$

Similar Questions

The metal ion which does not form coloured compound is

When $Cu^{2+}$ ion is treated with $KI$, a white precipitate is formed. Explain the reaction with the help of chemical equation.

'Spin only' magnetic moment is same for which of the following ions?

$A$. $\mathrm{Ti}^{3+}$   $B$. $\mathrm{Cr}^{2+}$   $C$. $\mathrm{Mn}^{2+}$   $D$.$\mathrm{Fe}^{2+}$  $E$. $\mathrm{Sc}^{3+}$

Choose the most appropriate answer from the options given below.

  • [NEET 2024]

Chloro compound of vanadium has only spin magnetic moment of $1.73\, BM$. This vanadium chloride has the formula:

  • [AIIMS 2019]

The term platforming is