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Question of the day
Which of the following reactant gives the best method of preparation of alkyl halides when reacts with alcohol?
The best method of preparation of alkyl halides is a reaction of alcohol with SOCl
2
/ Pyridine because by-products formed in the reaction are SO
2
and HCl which are in gaseous form and escape into the atmosphere leaving behind pure alkyl chlorides. CH
3
CH
2
−OH + SOCl
2
→ CH
3
CH
2
−Cl + SO
2
↑ + HCl↑
Zn/HCl
PCl
5
SOCl
2
/Pyridine
PCl
3
Fe/NaCl
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