Question:
Which of the following are combination reactions ?
(i) 2KClO3 ———-> 2KCl + 3O
(ii) MgO + H2O ———–> Mg(OH)2
(iii) 4Al + 3O2 ———–> 2Al2O3
(iv) Zn + FeSO4 ———-> ZnSO4 + Fe
(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iv)
(d) (ii) and (iii).
Solution:
(d). Both the reactions (ii) and (iii) are the examples of combination reactions.