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Acetylene gives...

Acetylene gives

A

white precipitate with ammoniacal `AgNO_3` and red precipitate with ammonical `Cu(NO_3)_2`

B

white precipitate with ammoniacal `AgNO_3` and red precipitate with ammoniacal `Cu_2Cl_2`

C

white precipitate with both

D

red precipitate with both

Text Solution

Verified by Experts

The correct Answer is:
B
Acetylene (a terminal alkyne) gives white precipitate with ammoniacal `AgNO_3` and red precipitate with ammoniacal `Cu_2Cl_2`.
`HC-=CH+2AgNO_3+2NH_4OHtoAgC-=CAg+2NH_4NO_3+2H_2O`
`HC-=CH+Cu_2Cl_2+2NH_4OHtoCuC-=C C u-=C C u+2NH_4Cl+2H_2O`
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