NTA Abhyas JEE Main2020ChemistryCoordination CompoundsPractice

The EAN of Zn in [ Zn ( NH 3 ) 4 ] 2 + is

Correct answer

Step-by-step solution

Z = atomic number of ( Zn ) metal = 30 X = number of electrons lost during oxidation of metal to metal ion = 2 Y = number of electrons donated by ligands = ( 4 × 2 ) = 8 EAN = Z - X + Y = 30 - 2 + 8 = 36

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