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Name of the reaction that prepares alkyl fluorides (from alkyl chlorides or bromides)

The same question, asked 3 times: 9 May 2023 S1, 15 Apr 2026 S2, 17 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    9 May 2023 S1

    86
    Which among the following reactions is used for the preparation of alkyl fluorides?

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  2. Question 2

    15 Apr 2026 S2

    40
    Method of preparation of alkyl halide 2R−Br+Hg2F2→2R−F+Hg2Br2\mathrm{2R{-}Br + Hg_2F_2 \rightarrow 2R{-}F + Hg_2Br_2} This reaction is known as

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  3. Question 3

    17 Apr 2026 S1

    37
    Which of the following reactions is used for the preparation of alkyl fluorides from alkyl chlorides?

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