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प्रश्न
The diagram given below is to prepare iron (III) chloride in the laboratory.
(i) What is substance B?
(ii) What is the purpose of B?
(iii)Why is iron (III) chloride to be stored in a closed container?
(iv) Write the equation for the reaction between iron and chloride ?
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उत्तर
(i) Substance B is a dehydrating agent.
(ii) B prevents the entry of moisture inside the apparatus because it absorbs moisture.
(iii) Iron (III) chloride is stored in a closed container because it is a deliquescent compound.
(iv) \[\ce{2Fe + 3CI2->2FeCI3}\]
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संबंधित प्रश्न
What kind of salt prepared by direct combination. Write an equation for the reaction that takes place in preparing the salt you have named.
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Lead (II) oxide from lead.
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Sodium nitrate from sodium hydroxide.
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Copper nitrate
Give equation to prepare the following as directed
PbCO3 from Pb(NO3)
Give equation to prepare the following as directed
NaHCO3 from Na2CO3
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Iron (II) sulphate
Choosing the correct words given in brackets, complete the sentence given below: Lead sulphate from lead nitrate.
For each of the salt: A, B, C and D, suggest a suitable method of its preparation.
A is a sodium salt.
Match the salts underlined in Column A with the most suitable method of preparation given in Column B.
| Column A | Column B | ||
| (a) | \[\ce{ZnCl2 \text{from} Zn}\] | 1. | Precipitation |
| (b) | \[\ce{KNO3 \text{from} KOH}\]. | 2. | Direct combination |
| (c) | \[\ce{CaCO3 \text{from} CaCl2}\]. | 3. | Displacement reaction |
| 4. | Neutralization |
