A) iodine
B) iodide ion
C) oxidising agents
D) reducing agents
Correct Answer: C
Solution :
An oxidising agent (OA) will accept electrons from \[{{\text{I}}^{-}}\] ion and convert it into \[{{\text{I}}_{2}}\] which gives blue colour with starch. \[Strach+KI+OA\xrightarrow{{}}\underset{\text{blue}\,\text{colour}}{\mathop{Strach+{{I}_{2}}}}\,\]
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