Chemistry > 2010 > 31
JAMB UTME
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.
CO32-
B.
CI-
C.
SO32-
D.
NO3-
Answer: D
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