12th Class Chemistry Haloalkanes and Haloarenes / हैलोएल्केन तथा हैलोएरीन्स

  • question_answer 30)
    Primary alkyl halide  reacted with alcoholicKOH to give compound (B). Compound (B) is reacted with to give (C) which is an isomer of (A). When (A) is reacted with sodium metal, it gives compound (D),  which is different from the compound formedwhen n-butyl bromide is reacted with sodium. Give the structural formulaof (A) and write the equations for all the reactions. (i) Write the possible isomers of . (ii) Write the equation for the reaction of n-butyl bromide with sodium. (iii) Write the equation for all possible reactions and identify the compounds (A), (B). (C) and (D).  

    Answer:

    Two possible isomers of  are:                     According to the question, compound (A) on reaction with sodium doesnot give the same product produced by n-butyl bromide. So (A) cannotbe [I]. Now [II] must be the correct isomer:    


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