Co-Ordination Compounds Question 191
Question: The effective atomic number of cobalt in the complex $ {{[Co{{(NH_3)}_6}]}^{3+}} $ is
[MP PET 2003]
Options:
A) 36
B) 33
C) 24
D) 30
Show Answer
Answer:
Correct Answer: A
Solution:
EAN = at.
no.
of central atom - oxidation state $ +2\times $ (no.
of ligands) $ =27-3+2\times 6=36.$
