D-And F-Block Elements Ques 104
Question: Guignet’s green is known as
[Kerala PMT 2004]
Options:
A) $ Cr_2O_3.\ 2H_2O $
B) $ FeO_3.2H_2O $
C) $ Cu_2O_3 $
D) $ FeCO_3.Cr_2O_3 $
E) $ FeO\ .\ Cr_2O_3 $
Show Answer
Answer:
Correct Answer: A
Solution:
$ Cr_2O_3.2H_2O $ is known as guignet green.