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Question
You are provided with the following chemicals:
NaOH, Na2CO3, H2O, Zn(OH)2, CO2, HCI, Fe, H2SO4, CI2, Zn.
Using the suitable chemicals from the given list only, state briefly how you would prepare iron (II) sulphate.
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Solution
Iron (II) sulphate can be prepared by treating Fe with H2SO4.
\[\ce{Fe + H2SO4 -> FeSO4 + H2\uparrow}\]
RELATED QUESTIONS
The following is a list of methods for the preparation of salts.
A – direct combination of two elements
B – reaction of a dilute acid with a metal.
C – reaction of a dilute acid with an insoluble base.
D – titration of a dilute acid with a solution of soluble base.
E – reaction of two solutions of salts to form a precipitate.
Choose from the above list A to E, the best method of preparing the following salt by giving a suitable equation in the following case:
Anhydrous ferric chloride.
Explain why It is necessary to find out the ration of reactants required in the preparation of sodium sulphate.
State how would you prepare copper (II) oxide from
Copper Carbonate
Give equation to prepare the following as directed
MgCO3 from MgCl2
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
Define the following term:
Neutralisation
Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride
Give the equation for the preparation of the following salt from the starting material given.
Copper sulphate from copper (II) oxide
State the inference drawn from the following observation:
Salt S is prepared by reacting dilute sulphuric acid with copper oxide Identify S.
Explain the following method with example.
Direct combination
