Advertisements
Advertisements
Question
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
B is an insoluble salt.
Solution
Lead carbonate [PbCO3] is prepared by precipitation.
RELATED QUESTIONS
Name the ion that turns blue litmus red.
Name the ions furnished by bases in solution.
Name a salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
Give one example : Basic oxide which is soluble in water.
Give one example : A hydroxide which is insoluble in water.
Give one example : A hydrogen containing compound which is not an acid.
The preparation of lead sulphate from lead carbonate is a two step process (lead sulphate cannot be prepared by adding dilute sulphuric acid to lead carbonate.)
Write the equation for the reaction that will take place when this first step is carried out.
Fill in the blank.
An acid is a compound which when dissolved in water forms hydronium ions as the only ______ ions.
What is the term defined below?
A base which is soluble in water.
Making use only of substances chosen from those given below:
(Dilute sulphuric acid, sodium carbonate, Zinc, sodium sulphite, Lead, calcium carbonate)
Give the equation for the reaction by which you could obtain zinc carbonate (two steps required).