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प्रश्न
Write balanced equations for NaCl is heated with sulphuric acid in the presence of MnO2
Write balanced equations for the following:
NaCl is heated with sulphuric acid in the presence of MnO2.
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उत्तर
\[\ce{[NaCl_{(s)}] + H2SO4_{(aq)} -> NaHSO4_{(aq)} + HCl_{(aq)} \times 4}\]
\[\ce{MnO2_{(s)} + 4HCl_{(aq)} -> MnCl2_{(aq)} + Cl2_{(g)} + 2H2O_{(l)}}\]
\[\ce{4NaCl_{(s)} + MnO2_{(s)} + 4H2SO4_{(aq)} -> 4NaHSO4_{(aq)} + MnCl2_{(aq)} + Cl2_{(g)} + 2H2O_{(l)}}\]
संबंधित प्रश्न
What is molecular formula of oleum?
(a) H2SO3
(b) H2SO4
(c) H2S2O7
(d) H2S2O8
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Describe the manufacture of H2SO4 by contact process?
What happens when dilute sulphuric acid is treated with Fe
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When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved. This gas intensified when copper turnings were added to this test tube. On cooling, the gas (A) changed into a colourless solid (B).
1) Identify (A) and (B).
2) Write the structures of (A) and (B).
3) Why does gas (A) change to solid on cooling?
Complete and balance the following equations:
S+H2SO4(conc.) →
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a. Orthophosphoric acid
b. Sulphurous acid
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Identify the INCORRECT statement about H2SO4.
Identify the products formed when conc. sulfuric acid reacts with calcium fluoride.
The sulfuric acid obtained by contact process is ____________ % pure.
Which among the following catalysts is used in manufacture of sulphuric acid by contact process?
In the manufacture of sulphuric acid by contact process Tyndall box is used to ____________.
Hot conc. \[\ce{H2SO4}\] acts as the moderately strong oxidising agent. It oxidises both metals and non-metals. Which of the following element is oxidised by conc. \[\ce{H2SO4}\] into two gaseous products?
The oxidation number of sulphur in Na2S4O6 is:-
The number of dative bonds in sulphric acid molecule is ______.
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