Malachite and Azurite are both basic carbonate ores of copper. Which of the following accurately distinguishes their stoichiometric compositions? | Metallurgy and Isolation of Elements — Chem-Mantra | Chem-Mantra

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Metallurgy and Isolation of ElementshardMCQ SINGLE

Question

Malachite and Azurite are both basic carbonate ores of copper. Which of the following accurately distinguishes their stoichiometric compositions?

Answer: A

💡 Solution & Explanation

Malachite green has the formula $CuCO_3 \cdot Cu(OH)_2$ (or $Cu_2(OH)_2CO_3$), while Azurite has the formula $2CuCO_3 \cdot Cu(OH)_2$.

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