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

  • question_answer
    Which compound gives yellow ppt. with iodine and alkali [IIT-JEE 1984]

    A) 2-hydroxy propane

    B) Acetophenone

    C) Methyl acetone

    D) Acetamide

    Correct Answer: B

    Solution :

    \[\underset{\text{Acetophenone}}{\mathop{C{{H}_{3}}-\underset{O}{\mathop{\underset{||}{\mathop{C}}\,}}\,{{C}_{6}}{{H}_{5}}}}\,\underset{{{I}_{2}}}{\mathop{\xrightarrow{NaOH}}}\,\underset{\text{Yellow ppt}\text{.}}{\mathop{CH{{I}_{3}}}}\,+\]


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