Write the reaction equation with which you can carry out the following transformations: NaOH → Cu (OH)

Write the reaction equation with which you can carry out the following transformations: NaOH → Cu (OH) → CuO → CuCO3 → CO2

1) 2NaOH + CuCl2 = Cu (OH) 2 + 2NaCl (when sodium hydroxide interacts with copper chloride, copper hydroxide and sodium chloride are formed);
2) Cu (OH) 2 = CuO + H2O (when copper hydroxide decomposes, copper oxide and water are formed);
3) CuO + CO2 = CuCO3 (when copper oxide interacts with carbon dioxide, copper carbonate is formed);
4) CuCO3 + H2SO4 = CuSO4 + CO2 + H2O (when copper carbonate interacts with sulfuric acid, copper sulfate, carbon dioxide and water are formed).



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