SATHEE: The pBlock Elements - Result Question 7

The pBlock Elements - Result Question 7

####8. $A l_{2} O_{3}$ can be converted to anhydrous $A l C l_{3}$ by heating

[2006]

(a) $A l_{2} O_{3}$ with $N a C l$ in solid state

(b) a mixture of $A l_{2} O_{3}$ and carbon in dry $C l_{2}$ gas

(c) $A l_{2} O_{3}$ with $C l_{2}$ gas

(d) $A l_{2} O_{3}$ with $H C l$ gas

Show Answer

Solution:

(b) $A l_{2} O_{3}$ can be converted to anhydrous $A l C l_{3}$ by heating a mixture of $A l_{2} O_{3}$ and carbon in dry $C l_{2}$ gas.

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