mix a copper compound with lemon juice, what are the reactions
When copper is mixed with lemon juice, several reactions may occur:
1. The citric acid in the lemon juice reacts with the copper to form copper citrate, which is a soluble salt. The reaction equation is:
Cu + 2H+ + Citric acid → Cu(Citrate) + H2O
2. Copper oxide (CuO) may also be present in the copper compound, which could react with the acid in the lemon juice to form copper citrate and water. This reaction equation is:
CuO + 2H+ + Citric acid → Cu(Citrate) + H2O
3. If the copper compound is a copper carbonate (CuCO3), it may react with the citric acid in the lemon juice to form copper citrate, carbon dioxide (CO2), and water. The reaction equation is:
CuCO3 + 2H+ + Citric acid → Cu(Citrate) + CO2 + H2O
Overall, the copper compound and lemon juice react to form copper citrate and water, with additional reactions depending on the specific copper compound present.
When copper compounds mix with lemon juice, a series of reactions occur. Here are the step-by-step reactions:
1. Oxidation of Copper: Copper in the compound is oxidized by the citric acid in lemon juice:
Cu + 2H+ → Cu2+ + H2
2. Formation of Copper(II) Citrate: Copper ions (Cu2+) react with citrate ions in the lemon juice to form copper citrate:
Cu2+ + 3C6H7O7 → Cu(C6H6O7)2 + 2H+
3. Dissociation of Copper Citrate: Copper citrate dissociates into copper ions and citrate ions:
Cu(C6H6O7)2 → Cu2+ + 2C6H7O7
4. Formation of Copper Hydroxide: The copper ions react with hydroxide ions present in the solution to form copper hydroxide:
Cu2+ + 2OH- → Cu(OH)2
5. Formation of Copper Carbonate: Due to the presence of carbon dioxide in the air, copper hydroxide reacts with carbon dioxide to form copper carbonate:
Cu(OH)2 + CO2 → CuCO3 + H2O
Overall, the copper compound initially reacts with the lemon juice to form copper citrate, which then dissociates into copper ions and citrate ions. The copper ions further react with hydroxide ions from lemon juice to form copper hydroxide, which reacts with carbon dioxide from the air to form copper carbonate.