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Answer:
color change when Iodine is oxidized at the anode to form the brownish I2 on the electrode and yellow I3^(-1) in solution.
The reduction of H+ to form H2 (g) and OH− will turn the indicator blue at the cathode.
when filter paper dipped in potassium iodide brought near to HNO3 fumes, they form brown coloured iodine and nitrogen dioxide gas.
Answer:
Explanation:
color change when Iodine is oxidized at the anode to form the brownish I2 on the electrode and yellow I3^(-1) in solution.
The reduction of H+ to form H2 (g) and OH− will turn the indicator blue at the cathode.
when filter paper dipped in potassium iodide brought near to HNO3 fumes, they form brown coloured iodine and nitrogen dioxide gas.
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