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प्रश्न
Explain why fused calcium chloride is used in the preparation of FeCI3?
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उत्तर
As iron (III) chloride (FeCl3) is highly deliquescent, so it is kept dry with the help of fused calcium chloride.
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संबंधित प्रश्न
How is the following salt prepared:
Magnesium carbonate from magnesium chloride.
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 hydronium ion. Write the ionization of sulphuric acid showing the formation of hydronium ion.
Give equation to prepare the following as directed
MgCO3 from MgCl2
Write the balanced equation for the preparation of the following compounds, starting from iron and using other substance: Iron (II) chloride
Write the balanced equation for the preparation of the following compounds, starting from iron and other substance:
Iron (II) sulphide
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.
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 |
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.
