MHT CET 2024 Chemistry question
What is EAN of Zn in ?
Answer: (D)
Solution
Effective atomic number = (atomic number of metal) − (oxidation state) + 2 × (number of ligands donating electron pairs). Zn: Z = 30; oxidation state in is +2 (NH is neutral). Four NH ligands each donate one pair, i.e. 2 electrons
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