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Byju's Answer
Standard X
Chemistry
Redox Reaction
b The followi...
Question
Question 44(b)
The following reaction takes place when aluminium powder is heated with
MnO
2
:
3
MnO
2
(s)
+
4
Al (s)
→
3
Mn (l)
+
2
Al
2
O
3
(l)
+
Heat
Is
MnO
2
getting oxidised?
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Solution
A substance is said to be oxidised if it gains oxygen. Since manganese has lost oxygen, it is reduced.
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Similar questions
Q.
Question 44(a)
The following reaction takes place when aluminium powder is heated with
MnO
2
:
3
MnO
2
(s)
+
4
Al (s)
→
3
Mn (l)
+
2
Al
2
O
3
(l)
+
Heat
Is aluminium getting reduced?
Q.
Question 44(a)
The following reaction takes place when aluminium powder is heated with
MnO
2
:
3
MnO
2
(s)
+
4
Al (s)
→
3
Mn (l)
+
2
Al
2
O
3
(l)
+
Heat
Is aluminium getting reduced?
Q.
3
MnO
2
(
s
)
+
4
Al
(
s
)
→
3
Mn
(
s
)
+
2
Al
2
O
3
(
s
)
In the above reaction, the oxidising agent is:
Q.
3
MnO
2
(
s
)
+
4
Al
(
s
)
→
3
Mn
(
s
)
+
2
Al
2
O
3
(
s
)
In the above reaction, the oxidising agent is:
Q.
In the reaction
3
M
n
O
2
(
s
)
+
4
A
l
(
s
)
→
3
M
n
(
s
)
+
2
A
l
2
O
3
(
s
)
the oxidising agent is
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Standard X Chemistry
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