how will you obtain ethyl chloride from ethyl alcohol by action of pcl3
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Answer. Step 1: Ethanol reacts with PCl3 to give ethyl Chloride. Step2: Ethyl Chloride reacts with KCN to give Propane nitrile. Step3: Propane nitrile reacts with NaNO2 in the presence of HCl and LiAl4 to give 1-Chloropropane.
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Explanation:
The reactions are :
3C2H 5 OH+PCl 3 →3C2 H5 Cl+H3PO3
C 2 H 5 OH+PCl5 →C2H5 Cl+POCl3 +HCl
The mole ratio of PCl3
and PCl5
in the mixture is 1:1.
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