NEET UG CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

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Best method to convert alcohol into alkyl chloride is

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Correct option: A

R - OH + SOC{l_2} \to R - Cl + S{O_2} + HCl

Option A (

R - OH + SOC{l_2} \to R - Cl + S{O_2} + HCl

) is correct because the reaction with thionyl chloride (

SOC{l_2}

) proceeds with retention of configuration and produces gaseous byproducts (

S{O_2}

and

HCl

) that easily escape, leading to a cleaner product.

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{\text{C}}{{\text{H}}_3}{\text{C}}{{\text{H}}_2}{\text{OH}}\xrightarrow{{{\text{PCC}}}}{\text{A}}\xrightarrow[{\left( {{\text{ii}}} \right){\text{ }}{{\text{H}}_2}{\text{O/}}{{\text{H}}^ + }}]{{\left( {\text{i}} \right){\text{ HCN}}}}{\text{B}}

\mathrm{O}_2

{\mathrm{P}_2}{\mathrm{S}_5}