Which of the following reactions are expected to give
`CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-CH=CH_(2)` in yeilds of more than `50%` ?

Options

A. `CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-underset(OH)underset(|)(CH)-CH_(3)overset(H_(2)SO_(4))underset(Delta)to`
B. `CH_(3)-overset(CH_(3))overset(|)underset(CH_(3))underset(|)C-underset(Br)underset(|)(CH)-CH_(3)overset((CH_(3))_(3)CO^(-)K^(+))underset(Delta)to`
C. `CH_(3)-underset(CH_(3))underset(|)overset(CH_(3))overset(|)C-underset(Br)underset(|)(CH)-CH_(3)overset(Zn)underset("Acetone")to`
D. None of the above

Answer

B, C