Use the chemical equation to complete the activity
H2(g) + 12(g) → 2HI(g)
A student makes th...
Use the chemical equation to complete the activity
H2(g) + 12(g) → 2HI(g)
A student makes the following statements:
• Hydrogen always has the same oxidation number, so it has an oxidation number of +1 in both the reactant H2 and
product HI
• lodine is in Group VIIA, so it has an oxidation number of -1 in both the reactant 12 and product HI.
• Neither hydrogen nor iodine changes oxidation states, so the reaction is not a redox reaction.
In three to five sentences, describe the mistake that the student made, and determine whether or not the reaction is a redox
reaction. Explain your answer
Answers: 3
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