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JEE Main202125 Feb 2021Evening ShiftChemistryCoordination CompoundsActual

The spin only magnetic moment of a divalent ion in aqueous solution (atomic number 29 ) is ___ BM .

Correct answer

0

Step-by-step solution

Z = 29 Cu Cu 2 + form Cu H 2 O 4 2 + complex ion with H 2 O Cu H 2 O 4 2 + ⇒ Cu 2 + Ar 3   d 9 , H 2 O → WFL number of unpaired e - = 1 μ = 1 1 + 2 B . M μ = 3 ⇒ 1 . 73   B . M . ⇒ round off ans. ⇒ 2

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