NEET AIPMT SOLVED PAPER 2000

  • question_answer
                    The (R) - and (S) - enantiomers of an optically active compound differ in:                             

    A)                 their solubility in a chiral solvents             

    B)                 their reactivity with a chiral reagents

    C)                 their optical rotation of plane polarised light

    D)                 their melting points

    Correct Answer: C

    Solution :

                    'R' and 'S' forms of an optically active compounds differ in their behaviour towards plane polarised light. The species which rotate the plane of polarised towards right is called as 'R' form (Rectus form) or d-form (dextro-form) and the species which rotate the plane of polarised light towards left is known as S-form (sinister form) or i-form (Laevo form).


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