" On warming with silver powder,chloroform is converted into "

Identify the wrong statement : On warming with Ag powder chloroform is converted to ethyne, But-1-yne and But-2-yne can be distinguished by treatment with ammoniacal Cu_(2) CI_(2) or AgNO_3 , Lewisite is prepared from ethyne, Neoprene is a polymer of isoprene

On being warmed with silver powder, chloroform gives

On heating with bleaching powder, ethyl alcohol is converted into

When 1% C_2H_5OH is added to chloroform, the phosgene present in chloroform is converted into.

Chloroform on heating with silver powder gives :

By heating phenol with chloroform in alkali, it is converted into

By heating phenol with chloroform in alkali, it is converted into