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Which of the following carbide can be us...

Which of the following carbide can be used to prepare methane by its action with water?

A

`CaC_2`

B

`Be_2C`

C

`MgC_2`

D

None

Text Solution

Verified by Experts

The correct Answer is:
B
The carbide of Be i.e., `Be_2C` only gives methane on reaction with `H_2O`.
`Be_2C+2H_2Oro2BeO+underset("methane"CH_4`
`CaC_2+2H_2OtoCa(OH)_2+C_2H_2`
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