Advertisements
Advertisements
प्रश्न
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?
पर्याय
\[\ce{Cu}\]
\[\ce{S}\]
\[\ce{C}\]
\[\ce{Zn}\]
Advertisements
उत्तर
\[\ce{C}\]
Explanation:
\[\ce{C + 2H2SO4 -> CO2 + SO2 + 2H2O}\]
Conc. \[\ce{H2SO4}\] oxidises \[\ce{C}\] to produce two gaseous products.
APPEARS IN
संबंधित प्रश्न
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 →
Draw the structure of the following:
H2SO4
Write balanced equations for NaCl is heated with sulphuric acid in the presence of MnO2
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?
Give balanced chemical equations for Sulphuric acid is treated with hydrogen sulphide
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 the reaction of conc. H2SO4 with sugar.
The molecular formula of oleum 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?
Write the reaction of conc. H2SO4 with sugar. What is the role of H2SO4 in this reaction?
