Chemistry · Chemical Reactions
Identify the double displacement reaction from the following chemical equations: (i) 2AgCl(s) → 2Ag(s) + Cl 2 (g) (ii) Mg(s) + 2HCl(aq) → MgCl 2 (aq) + H 2 (g) (iii) 2KBr(aq) + BaI 2 (aq) → 2KI(aq) + BaBr 2 (s) (iv) Pb(s) + CuCl 2 (aq) → PbCl 2 (aq) + Cu(s)
- 1(iii)✓
- 2(iv)
- 3(ii)
- 4(i)
Correct answer
(iii)
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