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Byju's Answer
Standard XII
Chemistry
Preparation of Carboxylic Acids
WRITE BALANCE...
Question
WRITE BALANCED MOLECULAR EQUATIONS FOR THE FOLLOWING WORD EQUATIONS :
(vi)Copper nitrate by giving heat → Copper Oxide + Nitrogen dioxide + Oxygen
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Solution
C
o
p
p
e
r
n
i
t
r
a
t
e
→
∆
C
o
p
p
e
r
O
x
i
d
e
+
N
i
t
r
o
g
e
n
d
i
o
x
i
d
e
+
O
x
y
g
e
n
2
C
u
(
N
O
3
)
2
→
∆
2
C
u
O
+
4
N
O
2
+
O
2
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Similar questions
Q.
Write the balanced chemical equations of the following word equation:
Silver Nitrate
→
Silver + Nitrogen di oxide + Oxygen
Q.
In the decomposition of lead (II) nitrate to give lead (II) oxide, nitrogen dioxide and oxygen gas, the coefficient of nitrogen dioxide (in the balanced equation) is:
(All coefficients being natural numbers)
Q.
Given below are word equations. Convert them into chemical equations using symbols and valencies. Balance the equations. Use appropriate signs for gases and precipitates in the reaction.
i) Zinc Sulphide
+
Oxygen gas
→
Zinc oxide solid
+
Sulphur dioxide gas
ii) Silver nitrate solution
+
Sodium chloride solution
→
Silver chloride precipitate
+
Sodium nitrate solution
iii) Sulphur solid
+
Concentrated nitric acid
→
Sulphuric acid
+
Nitrogen dioxide gas
+
Water
iv) Barium chloride Solution
+
Potassium sulphate Solution
→
Barium sulphate Precipitate
+
Potassium chloride solution
v) Silver nitrate on heating
→
silver metal
+
nitrogen dioxide gas
+
Oxygen gas.
vi) Aluminium hydroxide
+
Nitric acid
→
Aluminium nitrate
+
Water.
Q.
Write a balanced equation for the production of nitrogen dioxide using copper.
Q.
Give equations for the following conversions:
(i) Sodium to sodium hydroxide using water.
(ii) Steam to hydrogen using burning magnesium.
(iii) Dilute sulphuric acid to hydrogen using zinc.
(iv) Mercuric oxide to mercury.
(v) Silver oxide to silver.
(vi) Copper hydroxide to copper oxide.
(vii) Calcium hydroxide to calcium oxide.
(viii) Lead carbonate to lead.
(ix) Potassium nitrate to oxygen.
(x) Copper nitrate to nitrogen dioxide.
(xi) Mercuric nitrate to mercury.
(xii) Silver nitrate to silver.
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