Advertisements
Advertisements
Question
What is the action of concentrated sulphuric acid on potassium chlorate?
Advertisements
Solution
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
APPEARS IN
RELATED QUESTIONS
What is molecular formula of oleum?
(a) H2SO3
(b) H2SO4
(c) H2S2O7
(d) H2S2O8
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.
Why is `K_(a_2) "<<" K_(a_1)` for `H_2SO_4` in water?
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 CaF2
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 a balanced chemical equation for the following reaction:
Sulphuric acid is treated with phosphorous.
Write structure and molecular formula for the following compounds:
a. Orthophosphoric acid
b. Sulphurous acid
Write the formula for pentaamminechlorocobalt (III) sulphate.
The molecular formula of oleum is ____________.
The sulfuric acid obtained by contact process is ____________ % pure.
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 ____________.
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 ______.
What is the catalyst used for the oxidation of SO2 to SO3 in the lead chamber process for the manufacture of sulphuric acid?
