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Standard X
Chemistry
Nitrates
Action of con...
Question
Action of concentrated nitric acid on metallic tin produces:
A
stannous nitrite
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B
stannous nitrate
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C
stannic nitrate
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D
stannic oxide
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Solution
The correct options are
A
stannous nitrate
C
stannic oxide
The action of nitric acid on the metallic tin is different in different conditions.
In cold condition-
4
S
n
+
10
H
N
O
3
⟶
4
S
n
(
N
O
3
)
2
S
t
a
n
n
o
u
s
n
i
t
r
a
t
e
+
N
H
4
N
O
3
+
3
H
2
O
In boiling condition-
S
n
+
4
H
N
O
3
⟶
S
n
O
2
S
t
a
n
n
i
c
o
x
i
d
e
+
4
N
O
2
+
2
H
2
O
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