CH_3-C -=C-CH_3 underset("Catalyst")overset(H_2-"Lindlar's")to A underset("addition")overset(Br_2)B CH_3 - C -= C CH_3 underset("addition")overset(Br_2)to C overset(H_2-Ni)to D

CH_3-C -=C-CH_3 underset("Catalyst")overset(H_2-"Lindlar's")to A under

1.	CH_3-C -=C-CH_3 underset("Catalyst")overset(H_2-"Lindlar's")to A underset("addition")overset(Br_2)B CH_3 - C -= C CH_3 underset("addition")overset(Br_2)to C overset(H_2-Ni)to D
Answer» B is RACEMIC mixture ` underset(+ HG^(2+))overset(Dil. H_2SO_4)to` D is a meso compound A is alkene `underset("2)" H_2O_2// OH^(-))overset("1)" BH_3// THF)to ` C is trans-1,2-dibromoethane Solution :`H_3C -C -= C - CH_3 underset("Lindlars catalyst ") overset(H_2)to`