When aqueous sodium hydroxide was added to an aqueous solution of X, a – InterviewSolution

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1.	When aqueous sodium hydroxide was added to an aqueous solution of X, a green precipitate, insoluble in an excess of aqueous sodium hydroxide, was formed. When aqueous barium nitrate was added to a second sample of aqueous X a white precipitate was obtained. Which one of the following could be X?
Answer» `FeCl_(2)` `FeSO_4` `CrCl_3` `Cr_2(SO_4)_(3)` ANSWER :B

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