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AP EAMCET Engineering 2018 Apr 22 Shift 1 Paper
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© examsnet.com
Question : 132
Total: 160
Which of the following nitrates on heating does not give its oxide ?
L
i
N
O
3
N
a
N
O
3
B
a
(
N
O
3
)
2
B
e
(
N
O
3
)
2
Validate
Solution:
(1)
2
L
i
N
O
3
–
–
–
–
–
–
–
–
🢖
Δ
L
i
2
O
+
N
2
O
5
(2) Sodium nitrate does not give oxide on heating as it is thermally stable as shown below.
N
a
N
O
3
–
–
–
–
–
–
–
–
🢖
Δ
No
reaction
(3)
B
a
(
N
O
3
)
2
–
–
–
–
–
–
–
–
🢖
Δ
B
a
O
+
N
2
O
5
(4) Be
(
N
O
3
)
2
–
–
–
–
–
–
–
–
🢖
Δ
B
e
O
+
N
2
O
3
Therefore, NaNO
3
is a nitrate which does not give its oxide.
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