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JEE Main202127 Aug 2021Evening ShiftChemistryGeneral Principles and Processes of Isolation of MetalsActual

Match List-I with List-II : List-I (Name of ore/mineral) List-I (Chemical formula) a Calamine i ZnS b Malachite ii FeCO 3 c Siderite iii ZnCO 3 d Sphalerite iv CuCO 3 · Cu ( OH ) 2 Choose the most appropriate answer from the options given below :

Options

  1. A( a )   -   ( iv ) ,   ( b )   -   ( iii ) ,   ( c )   -   ( i ) , &#1
  2. B( a )   -   ( iii ) ,   ( b )   -   ( ii ) ,   ( c )   -   ( iv ) , &#
  3. C( a ) -( iii ),( b )-( iv ),( c )-( i ),( d )-( ii )
  4. D  ( a ) -( iii ), ( b ) -( iv ),( c )-( ii ),( d )-( i )

Correct answer

D.   ( a ) -( iii ), ( b ) -( iv ),( c )-( ii ),( d )-( i )

Step-by-step solution

(i) Calamine : ZnCO 3 (ii) Siderite : FeCO 3 (iii) Malachite : CuCO 3 · Cu ( OH ) 2 (iv) Sphalerite : ZnS

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