CET Karnataka Medical CET - Karnataka Medical Solved Paper-2015

  • question_answer
    The arrangement of following compounds :
    (i) bromomethane  
    (ii) bromoform
    (iii) chloromethane   
    (iv) dibromomethane
    In the increasing order of their boiling point is

    A)  \[iv<iii<i<ii\]

    B)  \[i<ii<iii<iv\]

    C)  \[iii<i<iv<ii\]

    D)  \[ii<iii<i<iv\]

    Correct Answer: C

    Solution :

    : The intermolecular forces of attraction become stronger with the increase in size of the molecules. Hence the order of boiling points will be: \[C{{H}_{3}}Cl<C{{H}_{3}}Br<C{{H}_{3}}B{{r}_{2}}<CHB{{r}_{3}}\]


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