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JEE Main2014ChemistryGeneral Principles and Processes of Isolation of MetalsActual

Which one of the following ores is known as Malachite:

Options

  1. ACu 2 S
  2. BCu 2 O
  3. CCu ( OH ) 2 . CuCO 3
  4. DCuFeS 2

Correct answer

C. Cu ( OH ) 2 . CuCO 3

Step-by-step solution

Copper glance : Cu 2 S ; Cuprite : Cu 2 O Malachite : Cu ( OH ) 2 . CuCO 3 ; Chalcopyrite : CuFeS 2 Malachite is a copper carbonate hydroxide mineral with the formula Cu ( OH ) 2 . CuCO 3 .

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