Chemistry - Halogen Derivative Question with Solution | TestHub

Lowest prority atom is always away from the viewer. Prority is seen on the basis of atomic no. and if atomic no. are same then on the basis of atomic mass.

See in the order of higher to lower priority.

If clockwise then it is R.

If anticlockwise then it is S.

Full name of the molecule is

(R) 1-bromo-1-chloroethane.