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A metallic carbide on treatment with wat...

A metallic carbide on treatment with water gives a colouless gas which burns readily in air and gives a precipitate with ammonical silver nitrate. The gas is

A

Methane

B

Ethene

C

Ethyne

D

Propane

Text Solution

Verified by Experts

The correct Answer is:
C
`CaC_(2)+2H_(2)O to Ca(OH)_(2)+C_(2)H_(2)`
`C_(2)H_(2)+(5)/(2)O_(2) to 2CO_(2)+H_(2)O`
`HC-=CH+2[Ag(NH_(3))_(2)]Oh to underset("White ppt.")(AgC)-=Cag+2H_(2)O+4NH_(3)`
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