Question

10. State the type of reactions each of the following equations represent and balance the ones that are not balanced. (a) Cl2 + 2KBr → 2KCl + Br2 (b) NaOH + HCl → NaCl + H2O (c) 2HgO + 2Hg + O2 (d) Fe + CuSO4 → FeSO4 + Cu​

Answer 1

Answer:

a) Displacement reaction

Balanced chemical equation

b) Neutralisation reaction

Balanced chemical equation

c) Decomposition Reaction

2HgO  -> 2Hg  + O2

d) Displacement reaction

Balanced chemical equation

Answer 2

Explanation:

e) Combination reaction

PbO

2

+SO

2

→PbSO

4

f)Decomposition reaction

2KClO

3

→2KCl+3O

2

g) Decomposition reaction

2H

2

O

2

→2H

2

O+O

2

h) Double decomposition reaction

KNO

3

+H

2

SO

4

→HNO

3

+KHSO

4

i) Displacement reaction

CuO+H

2

→Cu+H

2

O

j) Decomposition reaction

CaCO

3

→CaO+CO

2

k)Decomposition reaction

NH

4

Cl→NH

3

+HCl

l) Neutralisation reaction

PbO+2HNO

3

→Pb(NO

3

)+2H

2

O

m) Double decomposition reaction

AgNO

3

+NaCl→AgCl+NaNO

3