What are the products when copper(II) carbonate reacts with nitric acid?

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Study for the IGCSE Edexcel Chemistry Test. Access flashcards and multiple choice questions with hints and explanations. Get ready for your exam!

Multiple Choice

What are the products when copper(II) carbonate reacts with nitric acid?

Explanation:
The main idea is that a metal carbonate reacting with an acid produces a salt, carbon dioxide and water. Here, copper(II) carbonate reacts with nitric acid to form copper(II) nitrate as the salt, plus carbon dioxide gas and water. The balanced equation is CuCO3 + 2HNO3 → Cu(NO3)2 + CO2 + H2O. This fits because the acid provides nitrate ions to form copper nitrate, and the carbonate releases CO2 when it neutralizes the acid, with a molecule of water produced as well. The other options don’t fit because they would require chloride ions, oxide formation, or metallic copper as products, which aren’t produced in this acid–carbonate reaction.

The main idea is that a metal carbonate reacting with an acid produces a salt, carbon dioxide and water. Here, copper(II) carbonate reacts with nitric acid to form copper(II) nitrate as the salt, plus carbon dioxide gas and water. The balanced equation is CuCO3 + 2HNO3 → Cu(NO3)2 + CO2 + H2O. This fits because the acid provides nitrate ions to form copper nitrate, and the carbonate releases CO2 when it neutralizes the acid, with a molecule of water produced as well. The other options don’t fit because they would require chloride ions, oxide formation, or metallic copper as products, which aren’t produced in this acid–carbonate reaction.

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