JEE Main & Advanced Chemistry States of Matter / पदार्थ की अवस्थाएँ - गैस एवं द्रव Question Bank Mock Test - States of Matter

  • question_answer
    Dipole-dipole interaction energy between stationary polar molecules is proportional to x and that between rotating molecules is proportional to y. Assume distance between polar molecules as r, then x and y are

    A) \[\frac{1}{{{r}^{6}}},\frac{1}{{{r}^{3}}}\]  

    B) \[\frac{1}{{{r}^{6}}},\frac{1}{{{r}^{6}}}\]

    C) \[\frac{1}{{{r}^{3}}},\frac{1}{{{r}^{3}}}\]  

    D) \[\frac{1}{{{r}^{3}}},\frac{1}{{{r}^{6}}}\]

    Correct Answer: D

    Solution :

    [d] Dipole-dipole interaction energy between stationary polar molecules \[\propto \frac{1}{{{r}^{3}}}\]and between rotating molecules \[\propto \frac{1}{{{r}^{6}}}\]


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