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Question
Explain the preparation of the following compound.
Freon-12
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Solution
Freon – 12 is prepared by the action of hydrogen fluoride on carbon tetrachloride in the presence of the catalytic amount of antimony pentachloride.
\[\ce{\underset{\text{Carbon tetrachloride}}{CCl4} + 2HF ->[Sbcl5] 2HCl + \underset{\text{Freon - 12}}{CCl2F2}}\]
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