Advertisements
Advertisements
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.
Advertisements
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
Write the conditions to maximize the yield of H2SO4 by contact process.
Complete the following equations: CaF2+H2SO4 →
Complete the following equations: C + conc. H2SO4 →
Draw the structure of the following:
H2SO4
Mention three areas in which H2SO4 plays an important role.
Describe the manufacture of H2SO4 by contact process?
What happens when dilute sulphuric acid is treated with CaF2
What is the action of concentrated sulphuric acid on copper
What is the action of concentrated sulphuric acid on potassium chlorate?
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?
Write chemical reactions for different steps in the manufacture of sulphuric acid by lead chamber process. Draw the structure of phosphorous pentachloride
Complete and balance the following equations:
S+H2SO4(conc.) →
Gas 'X' is prepared by treating sodium sulfite with dilute sulfuric acid. When gas 'X' is oxidised by dioxygen in presence of vanadium (V) oxide, gas 'Y' is formed. Identify X and Y.
The molecular formula of oleum is ____________.
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:-
What is the catalyst used for the oxidation of SO2 to SO3 in the lead chamber process for the manufacture of sulphuric acid?
