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Byju's Answer
Standard XII
Chemistry
Oxides and Oxoanions
Metal oxides ...
Question
Metal oxides which decomposes on heating is
A
Z
n
O
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B
A
l
2
O
3
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C
C
u
O
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D
H
g
O
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Solution
The correct option is
D
H
g
O
Mercury (II) upon heating gives the mercury with the liberation of oxygen gas.
2
H
g
O
Δ
−
→
2
H
g
+
O
2
Other oxides require a very high temperature (since they are inert) to decompose or they do not decompose at normal temperatures.
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The metal oxide which decomposes on heating is:
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(
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a
2
O
,
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l
2
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Among the nitrate of alkali metals which one can be decomposed into its oxide on strong heating?
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