Advertisements
Advertisements
प्रश्न
Write balanced chemical equations to show : The oxidizing action of conc. Sulphuric acid on carbon
Write balanced equations for Action of concentrated sulphuric acid on carbon
Advertisements
उत्तर १
C + 2H2SO4 
CO2 + 2H2O + 2SO2 ↑
उत्तर २
APPEARS IN
संबंधित प्रश्न
Give two balanced reactions of each type to show the following properties of sulphuric acid:
Hygroscopic nature
Give reason for the following:
When carbon is heated with concentrated sulphuric acid, carbon dioxide is formed.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
Give reason for the following:
H2SO4 cannot be prepared by heating sodium sulphate with conc. HCl or HNO3
Write balanced equation for the reaction of dilute sulphuric acid with the following:
Copper carbonate
What do you see when concentrated sulphuric acid is added to copper sulphate-5-water ( You are not required to say what is happing, nor is it necessary to name the products.)
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
A, B and C are the chemical properties of sulphuric acid:
A. Oxidizing agent
B. Dehydrating agent
C. Non-volatile acid
Match the following equations 1 to 3 to the above chemical properties of sulphuric acid.
1. \[\ce{KNO3 + H2SO4 -> KHSO4 + HNO3}\]
2. \[\ce{C12H22O11 -> 12C + 11H2O}\]
3. \[\ce{S + 2H2SO4 -> 2H2O + 3SO2}\]
The salt is formed when concentrated sulphuric acid reacts with KNO3 above 200°C.
Differentiate between the following pair based on the criteria given in the bracket:
Cane sugar and hydrated copper sulphate [using concentrated H2SO4]
