Redox Reactions And Electrochemistry Ques 659
Question: Amongst the following, identify the species with an atom in + 6 oxidation state:
Options:
A) $ {{[MnO_4]}^{-}} $
B) $ {{[ Cr{{( CN )}_6} ]}^{3-}} $
C) $ Cr_2O_3 $
D) $ CrO_2Cl_2 $
Show Answer
Answer:
Correct Answer: D
Solution:
[d] $ CrO_2Cl_2 $ Let O. No. of $ Cr=x $
$ \therefore x+2( -2 )+2( -1 )=0 $ $ x-4-2=0 $
$ \therefore x=+6 $
