The results of some tests on an aqueous solution of substance X are listed.
1- A cream precipitate is produced when adding aqueous silver nitrate.
2- Adding aqueous sodium hydroxide produces a green precipitate which dissolves in excess alkali.
3- Adding aqueous ammonia produces a green precipitate which is insoluble in excess ammonia.
What is substance X?
chromium(III) bromide
2 )
chromium(III) chloride
3 )
iron(II) bromide
4 )
iron(II) chloride
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