During a redox reaction nitrate ions, NO₃⁻, are converted to nitrogen monoxide, NO - Scottish Highers Chemistry - Question 19 - 2018
Question 19
During a redox reaction nitrate ions, NO₃⁻, are converted to nitrogen monoxide, NO.
NO₃⁻ → NO
Which line in the table correctly completes the ion-electron equation... show full transcript
Worked Solution & Example Answer:During a redox reaction nitrate ions, NO₃⁻, are converted to nitrogen monoxide, NO - Scottish Highers Chemistry - Question 19 - 2018
Step 1
Identify the ion-electron equation
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Answer
The reduction of nitrate to nitrogen monoxide involves the conversion of NO₃⁻ ions, where electrons and protons are involved in balancing the equation.
Step 2
Analyze the options
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Answer
We need a combination of hydrogen ions and electrons that adds up correctly to yield nitrogen monoxide. Analyzing each option through stoichiometry helps identify the correct one.
Step 3
Choose the correct option
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Answer
Option B (4H⁺ + 3e⁻ → 2H₂O) is the correct line, as it balances the charge and mass appropriately during the reaction.
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