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प्रश्न
What is the action of concentrated sulphuric acid on potassium chlorate?
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उत्तर
Sulphuric acid reacts with KClO3 to form KHSO4, HClO4 and ClO2.
`3KClO_3 + 2H_2SO_4 -> 2KHSO_4 + 2ClO_4 + KClO_2 +H_2O`
Potassium Sulphuric Potassium Perchloric
chlorate acid hydrogen sulphate acid
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संबंधित प्रश्न
Write the conditions to maximize the yield of H2SO4 by contact process.
Complete the following equations: C + conc. H2SO4 →
Mention three areas in which H2SO4 plays an important role.
Describe the manufacture of H2SO4 by contact process?
What is the action of concentrated sulphuric acid on phosphorous pentachloride
What happens when dilute sulphuric acid is treated with Fe
What is the action of concentrated sulphuric acid on copper
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.) →
Write structure and molecular formula for the following compounds:
a. Orthophosphoric acid
b. Sulphurous acid
Write the formula for pentaamminechlorocobalt (III) sulphate.
Write the reaction of conc. H2SO4 with sugar.
Which of the following reaction is NOT involved in contact process used for manufacturing sulfuric acid?
Identify the INCORRECT statement about H2SO4.
Identify the products formed when conc. sulfuric acid reacts with calcium fluoride.
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 ____________.
Which among the following catalysts is used in manufacture of sulphuric acid by contact process?
What is the ratio of volumes of gases involved in the preparation of sulphur trioxide from sulphur dioxide and dioxygen respectively under similar conditions of temperature and pressure?
In the manufacture of sulphuric acid by contact process Tyndall box is used to ____________.
Which of the following statements are correct?
(i) S – S bond is present in \[\ce{H2S2O6}\].
(ii) In peroxosulphuric acid \[\ce{(H2SO5)}\] sulphur is in +6 oxidation state.
(iii) Iron powder along with \[\ce{Al2O3}\] and \[\ce{K2O}\] is used as a catalyst in the preparation of \[\ce{NH3}\] by Haber’s process.
(iv) Change in enthalpy is positive for the preparation of \[\ce{SO3}\] by catalytic oxidation of \[\ce{SO2}\].
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?
