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JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Preparation of Halogen containing compounds

  • question_answer
    \[R-OH+HX\to R-X+{{H}_{2}}O\] In the above reaction, the reactivity of different alcohols is [CPMT 1997]

    A) Tertiary > Secondary > Primary

    B) Tertiary < Secondary < Primary

    C) Tertiary < Secondary > Primary

    D) Secondary < Primary < Tertiary

    Correct Answer: A

    Solution :

               \[R-OX+HX\to R-X+{{H}_{2}}O\]            Reactivity order of alcohols for this reaction                    \[{{3}^{o}}>{{2}^{o}}>{{1}^{o}}\]                    Reactivity order of halogen acids \[R-I>R-Br>R-Cl\]


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