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Question
How are the following conversion brought about? Give equation and condition:
Aqueous lead nitrate to lead sulphate.
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Solution
Aqueous lead nitrate to lead sulphate:
Dilute sulphuric acid when added to the aqueous solution of lead from their insoluble sulphates.
\[\ce{Pb(NO3)2 + H2SO4 -> PbSO4 v + 2HNO3}\]
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RELATED QUESTIONS
Give reasons for the following:
A piece of wood becomes black when concentrated sulphuric acid is poured on it.
Write a balanced chemical equation for each of the following reactions :
Action of dilute sulphuric acid on zinc sulphide.
Name the following:
Products obtained by dissolving sulphur dioxide and chlorine in water.
A, B, C and D summarise the properties of sulphuric acid depending on whether it is dilute or concentrated.
A = Typical acid property
B = Non-Volatile acid
C = Oxidising agent
D = Dehydrating agent
Choose the property (A, B, C or D) depending on which is relevant to each of the following :
(i) Preparation of hydrogen chloride gas
(ii) Preparation of copper sulphate from copper oxide
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A. Acid
B. Dehydrating agent
C. Non-volatile acid
D. Oxidizing agent
(a) \[\ce{C12H22O11 + nH2SO4 -> 12C + 11H2O + nH2SO4}\]
(b) \[\ce{S + 2H2SO4 -> 3SO2 + 2H2O}\]
(c) \[\ce{NaCl + 2H2SO4 -> NaHSO4 + HCl}\]
(d) \[\ce{CuO + 2H2SO4 -> CuSO4 + H2O}\]
(e) \[\ce{Na2CO3 + H2SO4 -> Na2SO4 + H2O + CO2}\]
Making use only of substances chosen from those given below:
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Sodium carbonate
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Sodium sulphite
Lead
Salcium carbonate
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How will you identify?
Sulphur dioxide gas
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