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)



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