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Home Questions 5CHSBFRCNQ
Target Exam

CUET

Subject

Chemistry

Chapter

Inorganic: Coordination Compounds

Question:

Which of the following do not obey EAN rule?

Options:

[Cu(NH3)4]2+

[Co(C2O4)3]3-

[V(CO)6]-

Mn2(CO)10

Correct Answer:

[Cu(NH3)4]2+

Explanation:

In [Cu(NH3)4]2+ 

x + 4(0) = 2

x = 2

EAN = Z - (O.N.) + 2(C.N.) = 29 - (2) + 4(2) = 27 + 8 = 35

CUET Questions