1.

Which reagent is used to prepare fluoromethane by Swartz reaction.

Answer»

`CaF_(2)`
`Ag_(2)S`
`CoF_(2)`
`HgF_(2)`

SOLUTION :[It is `Hg_(2)F_(2)`], Fluoromethane is obtained by reaction of bromomethane or chloromethane with metallic fluorides like `AgF, Hg_(2) F_(2), CoF_(2)` or `SbF_(3)`.
This reaction is called .SWARTZ reaction..
`UNDERSET("methane")underset("Brom")(2CH_(3)Br)+Hg_(2)F_(2)to underset("methane")underset("Fluoro")(3CH_(3)F)+Hg_(2)Br_(2)`


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