HSC Science (Computer Science) 12th Board ExamMaharashtra State Board
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What is ‘Effective Atomic Number’ (Ean)? - HSC Science (Computer Science) 12th Board Exam - Chemistry

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Question

What is ‘effective atomic number’ (EAN)?

Solution

It is total number of electrons around the central metal ion present in a complex and calculated as the sum of electrons on the metal ion and the number of electrons donated by ligands. It can be calculated using formula,
EAN =Z-X+Y
where Z = Atomic number of metal.
X = Number of electrons lost during the formation of metal ion from its atom.
Y = Number of electrons donated by the ligands. 

 

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APPEARS IN

 2016-2017 (March) (with solutions)
Question 7.1 | 3.00 marks
Solution What is ‘Effective Atomic Number’ (Ean)? Concept: Coordination Compounds - Importance of Coordination Compounds.
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