Which of the following are examples of Birch reduction ?
Answer»
`CH_3C -= C CH_3 underset(LIQ. NH_3)OVERSET(Na)to CH_3CH= CHCH_3 `
Solution :A, C are perfect examples of BIRCH reduction, because electron donating groups always appear on one side of double bonded .C., but electron with drawing groups are not on the .C. INVOLVED in a double BOND.