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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
What is molecular formula of oleum?
(a) H2SO3
(b) H2SO4
(c) H2S2O7
(d) H2S2O8
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\[\ce{C + conc{.} H2SO4 ->}\]
Draw the structure of the following:
H2SO4
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S+H2SO4(conc.) →
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Sulphuric acid is treated with phosphorous.
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a. Orthophosphoric acid
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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 ____________.
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In the manufacture of sulphuric acid by contact process Tyndall box is used to ____________.
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(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:-
Write the reaction of conc. H2SO4 with sugar. What is the role of H2SO4 in this reaction?
