2. Solved Papers
  3. CEE Kerala Engineering

CEE Kerala Engineering CEE Kerala Engineering Solved Paper-2007

  • question_answer
    Crown ethers are named as X-crown-Y. In the following crown ether, X and Y are respectively

    A)  6 and 12             

    B)         18 and 6

    C)  24 and 6             

    D)         6 and 24

    E)  6 and 18

    Correct Answer: B

    Solution :

    X-crown-7, 18-crown-6 First number X is the total number of C and \[O\]atoms in the ring and second number Y is the number of oxygen atom in ring.


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