10th Class Science Solved Paper - Science-2017 Delhi Set-I

  • question_answer Two carbon compounds X and Y have the molecular formula \[{{\mathbf{C}}_{\mathbf{4}}}{{\mathbf{H}}_{\mathbf{8}}}\] and \[{{\mathbf{C}}_{\mathbf{5}}}{{\mathbf{H}}_{\mathbf{12}}}\] respectively. Which one of these is most likely to show addition reaction? Justify your answer. Also give the chemical equation to explain the process of addition reaction in this case.

    Answer:

    \[X={{C}_{4}}{{H}_{8}}\] is an alkene.
    \[Y={{C}_{5}}{{H}_{12}}\] is an alkane.
    X being an alkene i.e., butene is unsaturated compound and will show addition reaction as they have free electrons for bonding.
    \[C{{H}_{3}}C{{H}_{2}}CH=C{{H}_{2}}+{{H}_{2}}\xrightarrow{Pd/Ni}C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}C{{H}_{3}}\]
    \[C{{H}_{3}}CH=CHC{{H}_{3}}+C{{l}_{2}}\xrightarrow{hv}C{{H}_{3}}ClCHClCHC{{H}_{3}}\]
     


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