Predict which of the following will be formed at the anode in the electrolysis of an aqueous solution of KI.
a. KI.
b. K
c. O2
d. H2
e. I2
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Ответ:
e. I2
Explanation:
The iodide anion (
) is oxidized to I2 at the anode. One can see by the
appearance of a yellow-brown color in solution which is due to the formation of triiodide ions.
Ответ:
Other characteristics of the noble gases are that they all conduct electricity, fluoresce, are odorless and colorless, and are used in many conditions when a stable element is needed to maintain a safe and constant environment. This chemical series contains helium, neon, argon, krypton, xenon, and radon.
Explanation: