But -1, 3-diene and but-1-yne have the following reactions in common.

1.	But -1, 3-diene and but-1-yne have the following reactions in common.
Answer» Decolourise the purple COLOUR of `KMnO_4` solution. Form a white precipitate with AMMONICAL silver nitrate solution Decolourise red colour of `Br_2` in `C Cl_4` solution. React with SODIUM metal in liquid ammonia Solution :1,3-butadiene reacts with Na/liq `NH_3` to give 2-butene

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