Multiple choice

Which of the following acts as a herbicide?

  1. Carbonyl fluoride

  2. Carbonyl sulfide

  3. Cerium (III) chloride

  4. Cerium (III) bromide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbonyl sulfide is used  as a herbicide. Carbonyl sulfide is a potential alternative fumigant to methyl bromide and phosphine. In some cases, however, residues on the grain result in flavours that are unacceptable to consumers, e.g., barley used for brewing.

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