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Which of the following carbides on treat...

Which of the following carbides on treatment with water give methane?

A

`CaC_(2)`

B

`Be_(2)C`

C

`Al_(4)C_(3)`

D

`Mg_(2)C_(3)`

Text Solution

Verified by Experts

The correct Answer is:
B, C
`Be_(2)C+4H_(2)Oto2Be(OH)_(2)+underset("Methane")(CH_(4))`
`Al_(4)C_(3)+12H_(2)Oto4Al(OH)_(3)+underset("Methane")(CH_(4))`
`CaC_(2)+2H_(2)OtoCa(OH)_(2)+underset("Acetylene")(C_(2)H_(2))`
`MgC_(3)+4H_(2)Oto2Mg(OH)_(2)+underset("Propyne")(HC-=C-CH_(3))`
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