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प्रश्न
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.
उत्तर
| i. | Copper (II) chloride | Action of an acid on an oxide or carbonate |
| ii. |
Iron (II) chloride |
Action of an acid on a metal |
| iii. | Iron (III) chloride | Direct combination |
| iv. | Lead (II) chloride | Precipitation (double decomposition) |
| v. | Sodium chloride | Neutralisation of an alkali by an acid |
संबंधित प्रश्न
How would you obtain salt from another salt?
How is the following salt prepared:
Sodium nitrate from sodium hydroxide.
Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride
Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.
Write the equations for the reaction to prepare lead sulphate from lead carbonate.
Write the equation for the following reaction:
Magnesium sulphate solution is mixed with barium chloride solution.
Give the equation for the preparation of the following salt from the starting material given.
Iron (III) Chloride from Iron
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 change observed when the following indicator is added:
| Solution | Acids | Alkalies |
| Alkaline phenolphthalein solution |
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 sodium sulphate.
