1.

Which of the following reacts with metal by displacing H-atom?

Answer»

`CH_(4)`
`C_(2)H_(6)`
`C_(2)H_(4)`
`C_(2)H_(2)`

Solution :Hydrogen bonded to triple bonded carbon is ACIDIC in nature and is being REPLACED by METAL.
`HC-=C-H+Na to HC-=C^(-)Na^(+)+1//2H_(2)`


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