CET Karnataka Engineering CET - Karnataka Engineering Solved Paper-2000

  • question_answer
    The name of the product obtained by the addition of\[\text{HI}\]to propene in presence of peroxide catalyst is:

    A)  isopropyl iodide              

    B)  2-iodo propene

    C)  2-iodopropane

    D)  1-iodopropane

    Correct Answer: C

    Solution :

    \[C{{H}_{3}}-\underset{\text{Propene}}{\mathop{\underset{C{{H}_{2}}}{\mathop{\underset{||}{\mathop{C}}\,}}\,}}\,H+\underset{I}{\overset{H}{\mathop{H}}}\,\xrightarrow{{}}\underset{\text{Isopropyl}\,\text{iodide}}{\mathop{\underset{C{{H}_{3}}}{\overset{C{{H}_{3}}-CHI}{\mathop{|}}}\,}}\,\] This addition is due to Markownikoff rule. The negative part of addendum adds on to the less hydrogenated carbon atom.


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