Question

The pair having the same magnetic moment is: [At. No.: Cr = 24, Mn = 25, Fe = 26, Co = 27]

(1) [Cr(H2O)6]2+ and [Fe(H2O)6]2+

(2) [Mn(H2O)6]2+ and [Cr(H2O)6]2+

(3) [CoCl4]2– and [Fe(H2O)6]2+

(4) [Cr(H2O)6]2+ and [CoCl4]2–

Answer with reason ✌✌​

Answer 1

Answer:

very tough question. can't understand

Answer 2

Answer:

(2)

{ Mn ( H2O ) 6 } 2 +

&

{ Cr ( H2O ) 6 } 2 +