J & K CET Engineering J and K - CET Engineering Solved Paper-2010

  • question_answer
    The d and I enantiomers of an optically active compound differ in

    A)  their boiling and melting point

    B)  their rotation of plane polarized light

    C)  their solubility

    D)  their refractive index

    Correct Answer: B

    Solution :

     The d and Z-enantiomers of an optically active compound have same physical properties like boiling point, melting point, solubility, refractive index etc, but they differ in their behaviour towards plane polarised light. The d-enantiomer rotates the plane of polarized light towards  right  hand  side  while \[l-\]enantiomer rotates it towards left hand side.


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