How many of the following metal ions have similar value of spin only magnetic moment in gaseous state?

\(V ^{3+} , Cr ^{3+}, Fe ^{2+}, Ni ^{3+}\)

(Given: Atomic number: V-23 ; Cr-24 ; Fe-26 ; Ni-28)

[JEE Main 2023, 25 Jan (Shift 1)]

Question

How many of the following metal ions have similar value of spin only magnetic moment in gaseous state?

\(V ^{3+} , Cr ^{3+}, Fe ^{2+}, Ni ^{3+}\)

(Given: Atomic number: V-23 ; Cr-24 ; Fe-26 ; Ni-28)

[JEE Main 2023, 25 Jan (Shift 1)]

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How many of the following metal ions have similar value of spin only magnetic moment in gaseous state? \(V ^{3+} , Cr ^{…