Co-Ordination Compounds Question 185
Question: The oxidation number of Cr in $ [Cr{{(NH_3)}_6}]Cl_3 $ is
[CBSE PMT 2001]
Options:
A) 8
B) 6
C) 4
D) 3
Show Answer
Answer:
Correct Answer: D
Solution:
$ x+6\times (0)+3\times (-1)=0 $
$ x-3=0 $ , $ x=+3, $ Oxidation number of $ Cr $ is $ =+3.$