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Question

Question: In \(\left\lbrack Ni\left( NH_{3} \right)_{4} \right\rbrack SO_{4},\) the E.A.N. of \(Ni\) is....

In [Ni(NH3)4]SO4,\left\lbrack Ni\left( NH_{3} \right)_{4} \right\rbrack SO_{4}, the E.A.N. of NiNi is.

A

34

B

35

C

36

D

37

Answer

34

Explanation

Solution

EAN = (atomic no)- (oxidation state) +

(2 × number of Ligands) = 28 - 2 + 2 × 4 = 34