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Standard X
Chemistry
Steps for Balancing Chemical Equations
.4 Write the ...
Question
Question 8.4
Write the balanced chemical equation for the following and identify the type of reaction:
Magnesium (s) + Hydrochloric acid (aq)
→
Magnesium chloride (aq) + Hydrogen (g)
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Solution
Below is the balanced chemical equation for the given chemical reaction:
Mg(s)
+
2
HCl(aq)
→
MgCl
2
(aq)
+
H
2
(g)
It is displacement reaction as magnesium is displacing hydrogen to form magnesium chloride and hydrogen gas.
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Similar questions
Q.
Write the balanced chemical equation for the following and identify the type of reaction in each case:
(a) Potassium bromide(aq) + Barium iodide(aq)
→
Potassium iodide(aq) + Barium bromide(s)
(b) Zinc carbonate(s)
→
Zinc oxide(s) + Carbon dioxide(g)
(c) Hydrogen(g) + Chlorine(g)
→
Hydrogen chloride(g)
(d) Magnesium(s) + Hydrochloric acid(aq)
→
Magnesium chloride(aq) + Hydrogen(g)
Q.
Question 8.3
Write the balanced chemical equation for the following and identify the type of reaction:
Hydrogen (g) + Chlorine (g)
→
Hydrogen chloride (g)
Q.
Write the balanced chemical reaction for the following and identify the type of reaction in each case.
(A)
M
a
g
n
e
s
i
u
m
(
a
)
+
I
o
d
i
n
e
(
g
)
→
M
a
g
n
e
s
i
u
m
i
o
d
i
d
e
(
s
)
(B)
Z
i
n
c
(
s
)
+
H
y
d
r
o
c
h
l
o
r
i
c
a
c
i
d
(
a
q
)
→
Z
i
n
c
c
h
l
o
r
i
d
e
(
a
q
)
+
H
y
d
r
o
g
e
n
(
g
)
Q.
Question 8.1
Write the balanced chemical equation for the following and identify the type of reaction:
Potassium bromide (aq) + Barium iodide (aq)
→
Potassium iodide (aq) + Barium bromide(s)
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Standard X Chemistry
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