In the following sequence of reaction , CH_3CH_2Br overset(KOH(alc))to X overset(Br_2)to Y overset(KOH(alc))to Z , Z is

In the following sequence of reaction , CH_3CH_2Br overset(KOH(alc))to

1.	In the following sequence of reaction , CH_3CH_2Br overset(KOH(alc))to X overset(Br_2)to Y overset(KOH(alc))to Z , Z is
Answer» `CH_2 = CH_2` `CH_2BrCH_2Br` `CH-=CH` `CH_3CH_3 ` SOLUTION :`CH_3CH_2 CHCl_2 + 2NaNH_2 UNDERSET(196K)OVERSET(LIQ. NH_3)to CH_3C -= CH + 2NaCl + 2NH_3`