question_answer

Select .R-isomers from the following

A)  I and III                               

B)  II, IV and V                       

C)  I, II and III                   

D)  II and III                             

E)  I, III and V                          

Correct Answer: C

Solution :

                I. II. III. IV. V. Hence, structures I, II and III are R-isomers.