Advertisements
Advertisements
Question
Copy and complete the following table.
Column 3 has the names of gases to be prepared using the substance you enter in column 1, along with dilute or concentrated sulphuric acid, as indicated in column 2.
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Hydrogen | ||
| Carbon dioxide | ||
| Only chlorine |
Write the equation for the laboratory preparation of :
(i) Sodium sulphate using dilute sulphuric acid.
(ii) Lead sulphate using dilute sulphuric acid.
Advertisements
Solution
| Column 1 | Column 2 | Column 3 |
| Substance reacted with acid | Dilute or concentrated sulphuric acid | Gas |
| Metal | Dilute sulphuric acid | Hydrogen |
| Carbonate | Dilute sulphuric acid | Carbon dioxide |
| Metal chlorides | Conc. sulphuric acid | Only chlorine |
Equation are :
(i) \[\ce{2NaOH + H2SO4 -> Na2SO4 + 2H2O}\]
(ii) \[\ce{Pb(NO3)2 + H2SO4 -> PbSO4 v + 2HNO3}\]
APPEARS IN
RELATED QUESTIONS
Name the products formed when hot and concentrated sulphuric acid reacts with Sulphur.
Give reason for the following:
Concentrated sulphuric acid should not be added to oxalic acid or formic acid in the open laboratory.
How are the following conversion brought about? Give equation and condition:
Oxalic acid to carbon monoxide.
Give examples of the use of sulphuric acid as
Non-volatile acid
Complete the following sentence, choosing the correct word from the given options.
"Concentrated sulphuric acid is used in the laboratory preparation of nitric acid and hydrochloric acid because it is ____________ in comparison to these two acids."
Write balanced equation for potassium hydrogen carbonate and dilute sulphuric acid.
State your observation for the following case :
Dry red rose petals are placed in the jar of sulphur dioxide.
Give one equation to show the following property of sulphuric acid:
Dehydrating property
Dilute sulphuric acid will produce a white precipitate when added to a solution of ______.
State your observation of the following case:
When dilute hydrochloric acid is added to sodium carbonate crystals.
