Manipal Medical Manipal Medical Solved Paper-2008

  • question_answer
    If the electronegativity difference between two atoms A and B is 2.0, then the percentage of co-valent character in the molecule is

    A)  54%           

    B)  46%

    C)  23%           

    D)  72%

    Correct Answer: B

    Solution :

     According to Hannay and Smith equation \[\therefore \]% ionic character \[=16({{x}_{A}}-{{x}_{B}})+3.5{{({{x}_{A}}-{{x}_{B}})}^{2}}\] where,\[{{x}_{A}}\]and\[{{x}_{B}}\]are the electronegativites of the atoms A and B respectively. \[\therefore \]% ionic character \[=16(2)+3.5{{(2)}^{2}}\] \[=32+14=46%\]


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