Advertisements
Advertisements
Question
Give equation to prepare the following as directed
PbCO3 from Pb(NO3)
Advertisements
Solution
\[\ce{Pb(NO3)2 -> Na2CO3 -> PbCO3 + 2NaNO3}\]
APPEARS IN
RELATED QUESTIONS
How is the following salt prepared:
Sodium nitrate from sodium hydroxide.
Explain hydronium ion. Write the ionization of sulphuric acid showing the formation of hydronium ion.
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
The diagram given below is to prepare iron (III) chloride in the laboratory.
(i) What is substance B?
(ii) What is the purpose of B?
(iii)Why is iron (III) chloride to be stored in a closed container?
(iv) Write the equation for the reaction between iron and chloride ?
Match the salts given in Column I with their method of preparation given in Column II:
| Column I | Column II | ||
| (i) | Pb(NO3)2 from PbO | (a) | Simple displacement |
| (ii) | MgCl2 from Mg | (b) | Titration |
| (iii) | FeCl3 from Fe | (c) | Neutralization |
| (iv) | NaNO3 from NaOH | (d) | Precipitation |
| (v) | ZnCO3 from ZnSO4 | (e) | Combination |
Give the equation for the preparation of the following salt from the starting material given.
Potassium sulphate from potassium hydroxide solution
What is the difference between the chemical nature of an aqueous solution of HCl and an aqueous solution of NH3
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
A is a sodium salt.
Mention the colour changes observed when the following indicators are added:
| Solution | Acids | Alkalies |
| (a) Alkaline phenolphthalein solution | ||
| (b) Methyl orange solution | ||
| (c) Neutral litmus solution |
For the preparation of the following salts - give a balanced equation in the following case.
Lead [II] chloride from lead carbonate [give two equations]
