Q.

Which of the given complex species is following E.A.N. Rule ?

Moderate

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[Ca(EDTA)]2−

Cr(en)33+

[CoBrCl( trien )]+

Ni(dmg)2

answer is C.

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Detailed Solution

[Ca(EDTA)]2− 20−2+(6×2)=30Cr(en)33+ 24−3+(2×2×3)=33[ CoBrCl(trien) ]+ 27−3+2+2+(4×2)=36Ni(dmg)2 28−2+(4×2)=34

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