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1 November, 04:33

A Grignard reagent was generated by reacting 1‑bromobutane with magnesium metal in THF solution. Addition of 2‑butanone and ammonium chloride generated the desired alcohol product. The reaction mixture was washed with sodium bicarbonate, then the THF layer was dried over magnesium sulfate. The product was distilled from THF. Identify where the waste generated by this reaction should go.

1. Match the chemical wastes generated in this reaction with appropriate options in below: into the appropriate container.

Chemical Waste:

Aqueous waste

Solid waste

Chlorinated organic waste

Non-Chlorinated organic waste

Broken glass

Options:

sodium bicarbonate solution

magnesium sulfate

magnesium metal

Magnesiumg sulfate

rinse acetone

pasteur pipet

THF

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Answers (1)
  1. 1 November, 06:29
    0
    Chemical waste: magnesium sulfate

    It is used as a drying agent in Grignard reaction.

    Aqueous waste: sodium bicarbonate solution

    It is used to wash reaction mixture.

    Solid waste: magnesium metal

    Out of the given options, it is the only solid component.

    Chlorinated organic waste: THF

    THF is an organic chlorinated solvent. The increased boiling temperature of THF enhances the speed of Grignard reaction.

    Non-Chlorinated organic waste: rinse acetone

    It is less toxic to environment as compared to chlorinated waste.

    Broken glass: Pasteur pipette

    It is glassware.
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