Easy MCQ +4 / -1 PYQ · JEE Mains 2021

Match List - I with List - II :

List - I List - II
(a) Haematite (i) $A{l_2}{O_3}\,.\,x{H_2}O$
(b) Bauxite (ii) $F{e_2}{O_3}$
(c) Magnetite (iii) $CuC{O_3}\,.\,Cu{(OH)_2}$
(d) Malachite (iv) $F{e_3}{O_4}$


Choose the correct answer from the options given below :

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

Solution

(a) Haematite $\to$ (ii) Fe<sub>2</sub>O<sub>3</sub><br><br> (b) Bauxite $\to$ (i) Al<sub>2</sub>O<sub>3</sub>.xH<sub>2</sub>O<br><br> (c) Magnetite $\to$ (iv) Fe<sub>3</sub>O<sub>4</sub><br><br> (d) Malachite $\to$ (iii) CuCO<sub>3</sub>.Cu(OH)<sub>2</sub>

About this question

Subject: Chemistry · Chapter: p-Block Elements · Topic: Group 13: Boron Family

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