Compound 'A' gives red precipitate with Cu_(2)Cl_(2)//NH_(4)OH solution and decolourises bromine water. The compound 'A' can be

Compound 'A' gives red precipitate with Cu_(2)Cl_(2)//NH_(4)OH solutio

1.	Compound 'A' gives red precipitate with Cu_(2)Cl_(2)//NH_(4)OH solution and decolourises bromine water. The compound 'A' can be
Answer» `CH_(2)=CH-UNDERSET(O)underset(\|\|)(C)-CH_(3)` `CH_(2)=CH-underset(O)underset(\|\|)(C)-H` `CH_(3)-C-=CH` PhCHO Solution :Terminal alkyne gives `Cu_(2)Cl_(2)//NH_(4)OH` and bromine WATER test.