Question

Indicate what type, or types of reaction ech of the following represents:
(a)H2O + C -> CO + H2
(b)2KClO3 -> 2KCl + 3O2
(c)Al(OH)3 + 3HCL -> AlBr3 + 3H2O
(d)Pb(NO3)2 + H2SO4 = HNO3 + PbSO4

Answer 1

Answer:

a) Single displacement reaction

b) Decomposition reaction

c) Double displacement reaction

d) Precipitation reaction

Explanation:

(a) $H_2O + C\rightarrow CO + H_2$

In this reaction, oxygen is replaced by C, so it is a type of displacement reaction. Here, only one species is being replaced, therefore, it is a single displacement reaction.

(b) $2KClO_3 \rightarrow 2KCl + 3O_2$

In this reaction, potassium chlorate decomposes to potassium chloride and oxygen, so it is a type of decomposition reaction.

(c) $Al(OH)_3 +2HCl \rightarrow AlCl_3 +3H_2O$

In this reaction, chloride and OH- ions are being replaced. so, it is a type of double decomposition reaction.

(d) $Pb(NO3)_2 + H_2SO_4 \rightarrow HNO_3 +PbSO_4$

In this reaction, $PbSO_4 (s)$ is precipitated, so it is a type of precipitation reaction.