Which of the following statements is true for a pair of diastereomers?
A) they will have identical physiological properties.
B) they will have specific rotations of opposite sign.
C) they will have identical chemical properties (e.g. reactivity)
D) they will have different physical properties.

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane