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Problem
Problem
Which of the following equation is incorrectly written? a.
P
4
+
20
H
N
O
3
⟶
4
H
3
P
O
4
+
20
N
O
2
+
4
H
2
O
P_{4} + 20HNO_{3} \longrightarrow 4H_{3}PO_{4} + 20NO_{2} + 4H_{2}O
P
4
+
20
H
N
O
3
⟶
4
H
3
P
O
4
+
20
N
O
2
+
4
H
2
O
b.
I
2
+
10
H
N
O
3
⟶
2
H
I
O
4
+
10
N
O
2
+
4
H
2
O
I_{2} + 10HNO_{3} \longrightarrow 2HIO_{4} + 10NO_{2} + 4H_{2}O
I
2
+
10
H
N
O
3
⟶
2
H
I
O
4
+
10
N
O
2
+
4
H
2
O
c.
S
+
6
H
N
O
3
⟶
H
2
S
O
4
+
6
N
O
2
+
2
H
2
O
S + 6HNO_{3} \longrightarrow H_{2}SO_{4} + 6NO_{2} + 2H_{2}O
S
+
6
H
N
O
3
⟶
H
2
S
O
4
+
6
N
O
2
+
2
H
2
O
d. None of the above
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