Which of the following pairs involves isoelectronic ions
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 'spin only' magnetic moment value of $\mathrm{MO}_4{ }^{2-}$ is . . . . . BM. (Where $\mathrm{M}$ is a metal having least metallic radii. among $\mathrm{Sc}, \mathrm{Ti}, \mathrm{V}, \mathrm{Cr}, \mathrm{Mn}$ and $\mathrm{Zn}$ ).
(Given atomic number: $\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{~V}=23$, $\mathrm{Cr}=24, \mathrm{Mn}=25$ and $\mathrm{Zn}=30)$
The 'spin only' magnetic moment value of $\mathrm{MO}_4{ }^{2-}$ is . . . . . BM. (Where $\mathrm{M}$ is a metal having least metallic radii. among $\mathrm{Sc}, \mathrm{Ti}, \mathrm{V}, \mathrm{Cr}, \mathrm{Mn}$ and $\mathrm{Zn}$ ).
(Given atomic number: $\mathrm{Sc}=21, \mathrm{Ti}=22, \mathrm{~V}=23$, $\mathrm{Cr}=24, \mathrm{Mn}=25$ and $\mathrm{Zn}=30)$
- [JEE MAIN 2024]
The compound which does not show paramagnetism is :-
The compound which does not show paramagnetism is :-
The colour of copper sulphide is
The colour of copper sulphide is
- [AIIMS 2010]
The melting point of $Zn$ is lower as compared to those of the other element of $3d$ series because
The melting point of $Zn$ is lower as compared to those of the other element of $3d$ series because
Which of the following ions is coloured
Which of the following ions is coloured