AIPMT PRELIMS2006Chemistry-Inorganic Chemistry
AIPMT PRELIMS 2006 Chemistry Preparation of Compounds MCQ Question
Type: MCQ-conceptual-Medium-Class 12
Al₂O₃ can be converted to anhydrous AlCl₃ by heating:
A
Al₂O₃ with HCl gas
B
Al₂O₃ with NaCl in solid state
C
a mixture of Al₂O₃ and carbon in dry Cl₂ gas
D
Al₂O₃ with Cl₂ gas
Correct Answer
Option C
Detailed Explanation
Al₂O₃ can be converted to anhydrous AlCl₃ by heating with carbon in dry Cl₂ gas, which reduces the oxide and forms the chloride.
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