Which process(es) is/are involved in the turning of starch iodide paper blue-black by chlorine gas?...
CHEMISTRY
JAMB 2019
Which process(es) is/are involved in the turning of starch iodide paper blue-black by chlorine gas?
- A) chlorine attacks the starch to give the blue-black color
- B) chlorine attacks the iodide ion to give the blue-black color
- C) chlorine oxidizes the iodide ion to produce iodine which attacks the starch to give the blue-black color
- D) iodine attacks the starch to give the blue-black color
Correct Answer: C) chlorine oxidizes the iodide ion to produce iodine which attacks the starch to give the blue-black color
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