Co-Ordination Compounds Question 294
Question: Select the complex in which secondary valency is satisfied before the primary valency.
Options:
A) RMgX
B) $ [Cr{{( NH_3 )}_6}]Cl_2 $
C) $ K_4[Fe{{(CN)}_6}] $
D) $ [Ni{{( CO )}_4}] $
Show Answer
Answer:
Correct Answer: D
Solution:
In metal carbonyls the oxidation state of metal is zero.
In this case oxidation state of Ni is zero.
