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प्रश्न
Which of the following is primary benzylic alcohol?
विकल्प
Formation of Grignard reagent.
Action of HX on alkene to form alkyl halide.
Action of thionyl chloride on ethanol to form ethyl chloride.
Formation of cyclohexanol from phenol by catalytic hydrogenation.
MCQ
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उत्तर
Action of thionyl chloride on ethanol to form ethyl chloride.
Explanation:
\[\ce{C2H5OH + SOCl2 -> C2H5Cl + SO2 + HCl}\]
This reaction does not exhibit good atom economy, as all the reactants are not incorporated into desired products, and a large amount of side products are generated.
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