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  3. JEE Main & Advanced

JEE Main & Advanced Sample Paper JEE Main Sample Paper-46

  • question_answer
    Of the two solvents \[{{H}_{2}}O\] and \[{{D}_{2}}O\], \[NaCl\] dissolves

    A)  equally in both the solvents              

    B)  only in \[{{H}_{2}}O\] but remains insoluble in \[{{D}_{2}}O\]

    C)  more in \[{{D}_{2}}O\]       

    D)  more in \[{{H}_{2}}O\]

    Correct Answer: D

    Solution :

     It is due to isotopic effect. Furthermore \[{{D}_{2}}O\] is more viscous than \[{{H}_{2}}O\] and has less dielectric constant.


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