Co-Ordination Compounds Question 211
Question: The oxidation state of $ Co $ in $ {{[ Co{{( H_2O )}_5}Cl ]}^{2+}} $ is
Options:
A) + 2
B) + 3
C) + 1
D) + 4
Show Answer
Answer:
Correct Answer: B
Solution:
$ {{[\underset{x}{\mathop{Co}}{{(\underset{0}{\mathop{H_2O}},)}_5}\underset{-1}{\mathop{Cl}},]}^{+2}} $
$ x-1=2\Rightarrow x=+,3 $ .