(Solved): Thiols can be synthesised via reaction between alkyl halides and hydrogen sul ...

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Thiols can be synthesised via reaction between alkyl halides and hydrogen sulfide, as exemplified below. A common byproduct in these syntheses are symmetrical sulphides. a) Please provide the structure of this by-product in the reaction shown below. b) Also give the complete mechanism for the formation of the symmetrical sulphide. \( \stackrel{\mathrm{NaSH}}{\longrightarrow} \)