(1) Classify the following statements as true (T), or false (F). If you classify

Question

(1) Classify the following statements as true (T), or false (F). If you classify statement as false, correct it, or

explain why it is false.

(a) If given stereoisomer rotates the plane of polarized light clockwise,

its enantiomer rotates counter?clockwise by exactly the same magnitude

(b) If compound has one stereogenic center with S configuration, it always rotates the plane of polarized

light counter-clockwise.

(c) Molecule possessing stereogenic centers is always chiral.

(d) Mixture of equal amounts of both enantiomers of given compounds does not rotate the plane of

polarized light.

(e) Racemic mixture has the same melting point as both corresponding enantiomer.

(2) Specific rotation of L-alanine in water (at 25

Explanation / Answer

a)true

b)false ,because S cconfiguration can rotate plane polarized light clockwise.

c)false, if in molecule element of symmetry present than it will be achiral although it has stereocenter.

d)true

e)true

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