Question

+
+
+
c. Complete and balance the following equations:
i) Pbo
02 --------->
ii) Zn
CuSO4
iii)Naci
AgNO3
iv)CaCO3
v) Zn
H2SO4 --------->
vi) CO2 + H2O
vii) Hgo
viii) B203 +
H2O
ix)PbO
NaOH
x) Al2O3
HCI
+
+
+​

Answer 1

Answer:

Complete chemical equations are as shown:

(i) Ozone oxidises lead sulphide to lead sulphate.

PbS(s)+4O

3

(g)→PbSO

4

(s)+4O

2

(g)

(ii) Cu reacts with sulfuric acid to form cupric sulphate and SO

2

.

Cu+2H

2

SO

4

→CuSO

4

+SO

2

+2H

2

O

(iii) Cl

2

oxidises SO

2

to sulphuric acid.

Cl

2

+2H

2

O+SO

2

→H

2

SO

4

+2HCl

Answer 2

hi how are you I am Carolina