D-And F-Block Elements Ques 263
Question: The transitional metal which form green compound in +3 oxidation state and yellow orange compound in +6 oxidation state is
Options:
A) $ Fe $
B) $ Ni $
C) $ Cr $
D) $ Co $
Show Answer
Answer:
Correct Answer: C
Solution:
$ (C{{r}^{+6}}K_2Cr_2O_7-yellow $
$ C{{r}^{+3}}Cr_2{{(SO_4)}_3} $ - green)
