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JEE Main 20199 JanuaryMorning Shift
Exam
JEE Main
Year
2019
Date
9 January
Shift
Morning Shift
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

JEE Main 2019 · 9 January · Morning Shift · Chemistry · General Principles and Processes of Isolation of Metals

The ore that contains both iron and copper is:

The ore that contains both iron and copper is:

Options

  1. AAzurite
  2. BMalachite
  3. CDolomite
  4. DCopper pyrites

Correct answer

D. Copper pyrites

Step-by-step solution

Azurite −2CuCO3.Cu(OH)2- 2CuC{O}_{3} . Cu{\left(OH\right)}_{2}

Dolomite - CaCO3.MgCO3CaC{O}_{3} . MgC{O}_{3} ,

Malachite −CuCO3.Cu(OH)2- CuC{O}_{3} . Cu{( OH )}_{2}

Copper pyrites −- CuFeS2,CuFe{S}_{2},

So both copper and Iron are present in copper pyrite.
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