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CH3-C -= C-CH3 underset("Catalyst")over...

`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 `

A

B is racemic mixture ` underset(+ Hg^(2+))overset(Dil. H_2SO_4)to`

B

D is a meso compound

C

A is alkene `underset("2)" H_2O_2// OH^(-))overset("1)" BH_3// THF)to `

D

C is trans-1,2-dibromoethane

Text Solution

Verified by Experts

The correct Answer is:
A, C
`R-C -= Can overset(R^(1)-X)to R -C -= C - R^(1) + NaX`
`R-CHBr - CH_2Br - + 2NaNH_2 to R - C -= CH + 2NaBr`
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