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ure hupsllocean.instructure.com/courses/13325/quizzes/70370/take oogle ,k, work Visa Canada-... Internship Opportuni E 97807506773 32.PDF EJ's Neat-O Stat-N- G A Frente Fria que a- D Question 22 4 pts The effective atomic number (EAN) rule states that organometallic coordination compounds are likely to be stable if the oxidation state of the metal is zero. 0 the sum of the metal valence electrons plus the electrons donated by the ligand equals 18. O the ligand field splitting is small. O the metal has an even atomic number. O the metal has an odd atomic number. 4 pts D Question 23

Explanation / Answer

Effective atomic number (EAN) rule states that organometallic coordination compounds are likely to be stable if :

The sum of the metal valence electrons plus the electrons donated by the ligand equals 18.

Eg., [Co(NH3)6]+3

No. of valence electrons in Co+3 = 6

6 ammonia, NH3 ligands donate 12 electrons .

So EAN = 6 + 12 = 18.

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