Complete the reaction H3C-Br + ________ for the follwing:-

1. Hg2F2

2.CoF2

3.SbF3

On reaction of CH3Br with Hg2F2, CoF2, SbF3 and AgF gives fluoromethyl. The reactions are known as Swarts reaction.

2CH3Br + Hg2F2   2CH3F + Hg2Br2

2CH3Br + CoF2  2CH3F + CoBr2

3CH3Br + SbF3  3CH3F +  SbBr3
 

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