To a solution of an unknown compound, a little dilute tetraoxosulphate (VI) acid was added...
CHEMISTRY
JAMB 2010
To a solution of an unknown compound, a little dilute tetraoxosulphate (VI) acid was added with some freshly prepared iron (II) tetraoxosulphate (VI) solution. The brown ring observed after the addition of a stream of concentrated tetraoxosulphate (VI) acid confirmed the presence of
- A) CO-
- B) Cl-
- C) SO-
- D) NO
Correct Answer: D) NO
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