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Indicate what type, or types, of reaction each of the following represents: (a) H2 O(g) +...

Indicate what type, or types, of reaction each of the following represents: (a) H2 O(g) + C(s) ⟶ CO(g) + H2(g) (b) 2KClO3(s) ⟶ 2KCl(s) + 3O2(g) (c) Al(OH)3(aq) + 3HCl(aq) ⟶ AlBr3(aq) + 3H2 O(l) (d) Pb(NO3)2(aq) + H2 SO4(aq) ⟶ PbSO4(s) + 2HNO3(aq)

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Answer #1

(a) H2 O(g) + C(s) ? CO(g) + H2(g)

   Oxygen is displaced from water to CO so it is single displacement reaction.

(b) 2KClO3(s) ? 2KCl(s) + 3O2(g)

   In this reaction KClO3 is decomposed to KCl and O2 so it is decomposition reaction.

(c) Al(OH)3(aq) + 3HCl(aq) ? AlCl3(aq) + 3H2 O(l)

Al(OH)3 is base and HCl is acid. so It is acid base neutralization reaction. It is also called double displacement reaction.

(d) Pb(NO3)2(aq) + H2 SO4(aq) ? PbSO4(s) + 2HNO3(aq)

In this reaction PbSO4(s) precipitate is formed. So it is precipitation reaction.

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