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Problems
X
+
H
N
O
3
⟶
Y
+
N
O
2
+
H
2
O
+
S
X + HNO_3 \longrightarrow Y + NO_2 + H_2O + S
X
+
H
N
O
3
⟶
Y
+
N
O
2
+
H
2
O
+
S
,
Y
+
Ammonium molybdate
⟶
yellow ppt.
Y + \text{Ammonium molybdate} \longrightarrow \text{yellow ppt.}
Y
+
Ammonium molybdate
⟶
yellow ppt.
…
Chemistry
Problem
X
+
H
N
O
3
⟶
Y
+
N
O
2
+
H
2
O
+
S
X + HNO_3 \longrightarrow Y + NO_2 + H_2O + S
X
+
H
N
O
3
⟶
Y
+
N
O
2
+
H
2
O
+
S
,
Y
+
Ammonium molybdate
⟶
yellow ppt.
Y + \text{Ammonium molybdate} \longrightarrow \text{yellow ppt.}
Y
+
Ammonium molybdate
⟶
yellow ppt.
Identify X : a.
A
s
2
S
5
As_2S_5
A
s
2
S
5
b.
S
b
2
S
5
Sb_2S_5
S
b
2
S
5
c.
S
n
S
2
SnS_2
S
n
S
2
d.
C
d
S
CdS
C
d
S
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