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Crystalline and Amorphous Solid

The R and S e...

Question

The R and S enantiomers of an optically active compound differ in:

A

their reactivity with chiral reagents

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B

their melting points

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C

their optical rotation of plane polarized light

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D

their solubility in achiral reagents

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Solution

The correct option is C their optical rotation of plane polarized light
R and S enantiomers differ only in terms of optical activity that is the direction in which they rotate plane polarized light. All their physical and chemical properties are similar

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(A)

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The optical rotation of a solution of pure natural camphor is found to be

+ {5.76}^{o}

under the following conditions: concentration

= 0.13 g / m l

, length of polarimeter

=

1dm, wavelength

=

T = 25^{o}

C. The specific rotation of camphor is

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