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Standard XII
Chemistry
Question
Which of the following reaction produces hydrogen?
M
g
+
H
2
O
B
a
O
2
+
H
C
l
H
2
S
2
O
8
+
H
2
O
N
a
2
O
2
+
2
H
C
l
A
M
g
+
H
2
O
B
H
2
S
2
O
8
+
H
2
O
C
N
a
2
O
2
+
2
H
C
l
D
B
a
O
2
+
H
C
l
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Solution
Verified by Toppr
Mg reacts with hot water to produce
H
2
because it is more electropositive than hydrogen.
M
g
+
H
2
O
→
M
g
O
+
H
2
All other reactions are used for the manufacture of
H
2
O
2
H
2
S
2
O
8
+
2
H
2
O
→
2
H
2
S
O
4
+
H
2
O
2
B
a
O
2
+
2
H
C
l
→
B
a
C
l
2
+
H
2
O
2
N
a
2
O
2
+
2
H
C
l
→
2
N
a
C
l
+
H
2
O
2
Hence, the correct answer is
A
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Similar Questions
Q1
Which of the following reactions does not produce
H
2
O
2
?
View Solution
Q2
M
g
O
+
H
C
l
→
__________.
View Solution
Q3
X
+
H
C
l
→
Z
n
C
l
2
+
H
2
O
+
C
O
2
Find X and balance the equation.
View Solution
Q4
X
+
H
C
l
→
Z
n
C
l
2
+
H
2
O
+
C
O
2
Find X and balance the equation.
View Solution
Q5
Which of the following reactions will release
H
2
O
2
?
View Solution