1.

A mixture of methane, ethylene and acetylene gases is passed through aWolf bottle containing ammoniacal cuprous chloride. The gas coming out is

Answer»

METHANE
Acetylene
A mixture of methane and ethylene
The original mixture

Solution :Acetylene reacts with AMMONICAL cuprous chloride to form red ppt. of copper acetylide while methane and ethylene do not REACT (since they do not have acidic hydrogen ) . They come out from the BOTTLE
`CH-=CH+2[Cu(NH_3)_2]OHto Cu-C-=C-Cu+4NH_3+2H_2O`
`CH_4`+Ammonical `CuCl_2to` No reaction
`C_2H_4 `+Ammonical `Cu_2Cl_2 to ` No reaction


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