JEE Main & Advanced Chemistry Chemical Bonding and Molecular Structure / रासायनिक आबंधन एवं आणविक संरचना Question Bank Hydrogen bonding

  • question_answer
    Which contains strongest \[H-\]bond                         [IIT 1986; MP PET 1997, 2003; UPSEAT 2001, 03]

    A)                 \[O-H.....S\]       

    B)                 \[S-H.....O\]

    C)                 \[F-H.....F\]        

    D)                 \[S-H.....O\]

    Correct Answer: C

    Solution :

               The strongest hydrogen bond is in hydrogen fluoride because the power of hydrogen bond µ electronegativity of atom and electronegativity  \[\propto \frac{1}{\text{atomic}\,\text{size}}\]                 So fluorine has maximum electronegativity and minimum atomic size.


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