Answer to Question #219110 in Inorganic Chemistry for Priya

Question #219110
Draw briefly EAN rule. Which of the following

complex follow EAN rule ?

(i) [Cr(NH₂)]+3

(ii) [PtCl]

(iii) [Ni(NH₂), 12

(iv) [Co(NO₂),
1
Expert's answer
2021-07-21T03:14:31-0400

Effective atomic number (EAN), is the number that represents the total number of electrons surrounding the nucleus of a metal atom in a metal complex. ... The EAN rule is often referred to as the “18-electron rule” since, if one counts only valence electrons (6 for Co3+ and 2 × 6 = 12 for 6 NH3), the total number is 18.

(iv) [Co(NO₂),


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