Question

Need these answers ASAP.​

Answer 1

Answer:

Arranging the structure

a) Br 1

I

2 C2H5- C-H 4

I

CH3 3

By moving according to priority order we are moving in anti-clock wise and lowest priority one in horizontal plane. So it will be R designation

b) CH3 3

I

2 CH2OH-C - H 4

I

COOH 1

By moving according to priority order we are moving in clockwise and lowest priority one in horizontal plane.

So it will be S designation.

(P.S - priority order chart you can get from any standard source)

hope this will help you