(I) and (II) are :
enantiomers
diastereomers
meso compound
identical
A.
enantiomers
(I) and (II) are mirror images of each other .Thus those optical isomers which are related to each other as an object to its mirror images are called enantiomers .
If hydrogen electrode dipped in two-solution of pH = 3 and pH = 6 and salt bridge is connected , the emf of resulting cell is :
0.177 V
0.3 V
0.052 V
0.104 V