Which of the following order of reagent ...

Which of the following order of reagent is chosen to prepare 1,3-butadiene from `C_2H_2`

A

`Cu_(2)Cl_(2)//NH_(4)Cl and H_(2)//Pd(BaSO_4)`

B

`NH_(4)Cl//CuCl and H_2//Pd(BaSO_4)`

C

`H_(2)//Pd(BaSO_4) and CuCl //NH_(4)Cl`

D

`H_(2)//Pd(BaSO_(4)) and NH_(4)Cl//CuCl`

Verified by Experts

The correct Answer is:

A

`underset("Acetylene")(CH-=CH) +CuCl_2//NH_4Cl rarr {:(Cu-C-=C-Cu),(" Red ppt"),(" "darr H_2//Pd(BaSO_4)),(CH_2=CH-C=CH_2),(" 1,3-butadiene"):}`

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