The given diagram 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 chlorine.

The given diagram is to prepare Iron(III) chloride in the laboratory:

1.	The given diagram 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 chlorine.
Answer» Solution :(i) FUSED CALCIUM CHLORINE (ii) Acts as drying agnet (iii) Because it is DELIQUESCENT salt (iv) `3FE(s)+3Cl_(2)(g)to2FeCl_(3)(s)`