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JEE Main 202117 MarchEvening Shift
Exam
JEE Main
Year
2021
Date
17 March
Shift
Evening Shift
Subject
Chemistry
Chapter
General Principles and Processes of Isolation of Metals

JEE Main 2021 · 17 March · Evening Shift · Chemistry · General Principles and Processes of Isolation of Metals

Match List-I and List-II : List-I List-II a Haematite i Al _ 2 O _...

Match List-I and List-II :

List-I List-II
a Haematite i Al2O3⋅xH2O{Al}_{2}{O}_{3} \cdot {xH}_{2}O
b Bauxite ii Fe2O3{Fe}_{2}{O}_{3}
c Magnetite iii CuCO3⋅Cu(OH)2{CuCO}_{3} \cdot Cu ( OH{)}_{2}
d Malachite iv Fe3O4{Fe}_{3}{O}_{4}

Choose the correct answer from the options given below :

Options

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

Correct answer

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

Step-by-step solution

Ore Formula
a Haematite Fe2O3{Fe}_{2}{O}_{3}
b Bauxite Al2O3⋅xH2O{Al}_{2}{O}_{3} \cdot {xH}_{2}O
c Magnetite Fe3O4{Fe}_{3}{O}_{4}
d Malachite CuCO3⋅Cu(OH)2{CuCO}_{3} \cdot Cu ( OH{)}_{2}
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