Answer :
Answer:
Now,
C
u
→
C
u
2
+
+
2
e
−
⟶
(
1
)
N
O
3
−
+
4
H
+
+
3
e
−
⟶
N
O
+
2
H
2
O
⟶
(
2
)
Equation (1)
×
3
+
Equation (2)
×
2
(for equalising electrons)
3
C
u
⟶
3
C
u
2
+
+
6
e
−
2
N
O
3
−
+
8
H
+
+
6
e
−
⟶
2
N
O
+
4
H
2
O
___________________________________
3
C
u
+
2
N
O
3
−
+
8
H
+
⟶
3
C
u
2
+
+
2
N
O
+
4
H
2
O
But
8
H
+
+
8
N
O
3
−
⟶
8
H
N
O
3
The
6
N
O
3
2
−
combine with
C
u
2
+
∴
Balanced equation is,
3
C
u
+
8
H
N
O
3
⟶
3
C
u
(
N
O
3
)
2
+
2
N
O
+
4
H
2
O