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JEE Main & Advanced Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Properties of Halogen Containing Compounds

  • question_answer
    Which of the following is used as a catalyst for preparing Grignard reagent [KCET 1998]

    A) Iron powder

    B) Iodine powder

    C) Activated charcoal

    D) Manganese dioxide

    Correct Answer: B

    Solution :

    \[RX+Mg\underset{{{I}_{2}}\,\text{powder}}{\mathop{\xrightarrow{\text{Dry}\,\,\text{ether}}}}\,R-Mg-X\]


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