Assertion: Addition of `Br_(2)` to `1`-butane gives two optical isomers.
Reason: The product contains one asymmetric carbon atoms.
A. S-I & II are correct, S-II is correct explanation of S-I
B. S-I&II are correct, S-II is not correct explanation of S-I
C. S-I is true, but S-II is false.
D. S-I is false, ut S-II is true
