The correct epimeric pair of the following is cho cho cho cho ho ho- h ho- h oh ho -oh -oh h- -oh oh h -oh ho- -h h- -oh ho- h ch2oh -oh -oh -oh ch2oh choh ch2o

option A To be epimer, there must be different configurations at any one chiral centre. P and Q are C3 epimers because these have different configurations at C3 carbon. while in a...