Chemistry
The diagram given below is to prepare Iron [III] chloride in the laboratory.
![The diagram given below is to prepare Iron [III] chloride in the laboratory. Why iron[III] chloride closed container. What is substance B. What is the purpose of B. Acids, Bases and Salts, Concise Chemistry Solutions ICSE Class 10](https://cdn1.knowledgeboat.com/img/cc10/iron-3-chloride-lab-prep-concise-chemistry-solutions-icse-class-10-426x158.png)
(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 chlorine.
Acids Bases Salts
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Answer
(i) Substance B is fused calcium chloride.
(ii) Iron (III) chloride is highly deliquescent so it is kept dry with the help of B [fused calcium chloride (drying agent)]
(iii) Iron[III] chloride is to be stored in a closed container because iron (III) chloride is highly deliquescent and it absorbs moisture from the surrounding air to form a saturated solution.
(iv) 2Fe (heated) + 3Cl2 (dry) ⟶ 2FeCl3
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