J & K CET Medical J & K - CET Medical Solved Paper-2007

  • question_answer
    Inter-molecular hydrogen bonding exists in

    A)  o-nitrophenol

    B)  o-chlorophenol

    C)  water

    D)  ammonium chloride

    Correct Answer: C

    Solution :

                    Intermolecular H-bonding takes place between H and electronegative element present in the different molecules of same substance, eg,\[{{H}_{2}}O,HF\]. \[\underset{H-bonding\text{ }in\text{ }water}{\mathop{\overset{\delta +}{\mathop{H}}\,-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\mathop{\overset{\delta -}{\mathop{O}}\,}}\,......\overset{\delta +}{\mathop{H}}\,-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\mathop{\overset{\delta -}{\mathop{O}}\,}}\,......\overset{\delta +}{\mathop{H}}\,-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\mathop{\overset{\delta -}{\mathop{O}}\,}}\,......\overset{\delta +}{\mathop{H}}\,-\underset{\begin{smallmatrix}  | \\  H \end{smallmatrix}}{\mathop{\overset{\delta -}{\mathop{O}}\,}}\,}}\,\]


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