Which of the following ions has the least magnetic moment

  • A

    $C{u^{ + 2}}$

  • B

    $N{i^{ + 2}}$

  • C

    $C{o^{ + 3}}$

  • D

    $F{e^{ + 2}}$

Similar Questions

$F{e^{2 + }}$ shows

While filling up of electrons in the atomic orbitals, the $4 s$ orbital is filled before the $3 d$ orbital but reverse happens during the ionisation of the atom. Explain why?

Why is the ${E^\Theta }$ value for the $Mn ^{3+} / Mn ^{2+}$ couple much more positive than that for $Cr ^{3+} / Cr ^{2+}$ or $Fe ^{3+} / Fe ^{2+} ?$ Explain.

A blue colouration is not obtained when

  • [AIPMT 1989]

Which of the following is wrongly matched