NEET Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स Question Bank Self Evaluation Test - Haloalkanes and Haloarenes

  • question_answer
    The following reaction proceeds through the intermediate formation of \[RCOOAg+B{{r}_{2}}\xrightarrow{{}}RBr+C{{O}_{2}}+AgBr\]

    A) \[RCO{{O}^{\bullet }}\] 

    B) \[{{R}^{\bullet }}\]

    C) \[B{{r}^{\bullet }}\]                             

    D) All of these

    Correct Answer: D

    Solution :

    [d] Mechanism of Hunsdiecker 's reaction is \[R-CO{{O}^{-}}A\overset{+}{\mathop{g}}\,\xrightarrow[-AgBr]{B{{r}_{2}}}RCOOBr\xrightarrow{{}}RCO\overset{\bullet }{\mathop{O}}\,+\overset{\bullet }{\mathop{B}}\,r\]\[\xrightarrow{{}}{{R}^{\bullet }}+C{{O}_{2}};\] \[{{R}^{\bullet }}+RCOOBr\xrightarrow{{}}R-Br+RCO\overset{\bullet }{\mathop{O}}\,\]


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