PolymerHard
Question
D(-) - Erythrose 
(P)
D(-) - Threose
(R)
Which of the following statement is correct about P and R ?
(P)D(-) - Threose
(R)Which of the following statement is correct about P and R ?
Options
A.Both are optically active
B.Both are optically inactive
C.P is optically inactive and R is optically active
D.Neither P nor R has asymmetric carbon.