JCECE Engineering JCECE Engineering Solved Paper-2010

  • question_answer
    Which of the following compounds will show metamerism?

    A) \[C{{H}_{3}}-CO-{{C}_{2}}{{H}_{5}}\]      

    B) \[{{C}_{2}}{{H}_{5}}-S-{{C}_{2}}{{H}_{5}}\]

    C) \[C{{H}_{3}}-O-C{{H}_{3}}\]        

    D)  \[C{{H}_{3}}-O-{{C}_{2}}{{H}_{5}}\]

    Correct Answer: B

    Solution :

    Compounds having bivalent functional group (like\[\rangle C=O,\,\,-O-,\,\,-S-\]etc) with latest \[4\] carbon atoms (in ease of ether and thioether) or atleast \[5\] carbon atoms (in case of ketones) exhibit metamerism. Hence,\[{{C}_{2}}{{H}_{5}}-S-{{C}_{2}}{{H}_{5}}\] will show metamerism.


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