Question

The EAN of Ni in [Ni(CN)4]2- is:
(i) 28
(i) 34
(iii) 35
(iv) 36​

Answer 1

Answer:

34

EAN = Atomic Number - O.S. + 2×CN

Atomic Number = 28

O.S. = +2

CN = 4

EAN= 34