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Class 12 NEET Chemistry P Block Elements Questions
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© examsnet.com
Question : 5
Total: 101
Which of the following reactions is a part of the large scale industrial preparation of nitric acid
[NEET Re-2022]
Cu
(
NO
3
)
2
+
2
NO
2
+
2
H
2
O
Pt
→
500
K
,
9
bar
4
HNO
3
+
Cu
NaNO
3
+
H
2
SO
4
Pt
→
500
K
,
9
bar
NaHSO
4
+
HNO
3
4
NH
3
+
5
O
2
(from air)
Pt
→
500
K
,
9
bar
4
NO
+
6
H
2
O
4
HPO
3
+
2
N
2
O
5
Pt
→
500
K
,
9
bar
4
HNO
3
+
P
4
O
10
Validate
Solution:
👈: Video Solution
On large scale, nitric acid is prepared by Ostwald's process.
(
i
)
4
NH
3
(
g
)
+
5
O
(
air
)
2
Pt
∕
Rh
gauge
500
K
,
9
bar
▶
4
NO
(
g
)
+
6
H
2
O
(
g
)
(ii)
2
NO
(
g
)
+
O
2
(
g
)
→
2
NO
2
(
g
)
(iii)
3
NO
2
(
g
)
+
H
2
O
(
ℓ
)
→
2
HNO
3
(
aq
)
+
NO
© examsnet.com
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