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प्रश्न
Define the following term:
Neutralisation
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उत्तर
It is the process by which H+ ions of an acid react completely with water the [OH-] ions of a base to give salt and water only.
For example : \[\ce{2NaOH + H2SO4 → Na2SO4 + 2H2O}\]
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संबंधित प्रश्न
How is the following salt prepared:
Lead (II) oxide from lead.
How is the following salt prepared:
Sodium nitrate from sodium hydroxide.
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 (III) chloride.
Explain why It is necessary to find out the ration of reactants required in the preparation of sodium sulphate.
How many salts can be obtained from ortho phosphoric acid? Is there any difference in the salts formed by the acid?
State how would you prepare copper (II) oxide from
Copper nitrate
State how would you prepare copper (II) oxide from
copper sulphate
Which of the following methods, (a), (b), (c), (d) or (e) is generally used for preparing the chlorides listed below from (i) to (v). Answer by writing down the chloride and the letter pertaining to the corresponding method. Each letter is to be used only once.
(a) Action of an acid on a metal.
(b) Action of an acid on an oxide or carbonate.
(c) Direct combination.
(d) Neutralization of an alkali by an acid.
(e) Precipitation (double decomposition).
(i) copper(II) chloride.
(ii) iron(II) chloride.
(iii) iron(IIl) chloride.
(iv) lead (II) chloride.
(v) sodium chloride.
What is the difference between the chemical nature of an aqueous solution of HCl and an aqueous solution of NH3
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:
Sodium sulphate.
