Chemistry
JAMB 1988
A mixture of starch solution and potassium iodide was placed in a test tube. On adding dilute tetraoxosulphate (lV) acid and then K
2Cr
2O
7 solutions, a blue-black colour was produced. In this reaction, the?
-
A.
iodide is oxidized
-
B.
tetraoxosulphate (Vl) acid acts as an oxidizing agent
-
C.
starch has been oxidized
-
D.
K2Cr2O7 is oxidized
Correct Answer: Option C
Explanation
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