Question:
Carbon reacts with an acid to form carbon dioxide, water and nitrogen dioxide.
(a) Name the acid used in the reaction.
(b) Write a balanced chemical equation for the reaction that occurs.
Carbon reacts with an acid to form carbon dioxide, water and nitrogen dioxide.
(a) Name the acid used in the reaction.
(b) Write a balanced chemical equation for the reaction that occurs.
(a) Name the acid used in the reaction.
(b) Write a balanced chemical equation for the reaction that occurs.
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Concentrated nitric acid usually acts as an oxidizing agent because it decomposes to give nascent oxygen: 2HNO_3 2NO_2 + H_2O + [O].
Updated On: Mar 12, 2026
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Solution and Explanation
(a) Acid Name: The acid used is Concentrated Nitric Acid (HNO_3). Concentrated nitric acid is a powerful oxidizing agent that oxidizes non-metals like carbon to their respective oxides or oxyacids.
(b) Balanced Equation: [ C + 4HNO_3 (textconc.) CO_2 + 2H_2O + 4NO_2 ]
(b) Balanced Equation: [ C + 4HNO_3 (textconc.) CO_2 + 2H_2O + 4NO_2 ]
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