Question - Understanding Properties of Sulfide Compound in Onions
Solution:
The image contains a question about the properties of the sulfide compound released when cutting onions, which causes tearing of the eyes. The text states that peeling onions under running water reduces the problem and asks which statements are true about the sulfide compound.The statements given are:1. It is soluble in water.2. It has a low boiling point.3. It has small and light ions with weak bondings.4. It is a covalent compound with weak covalent bonds.The correct statements regarding the sulfide compound are:1. It is soluble in water: This is true. The compound that causes irritation, known as syn-propanethial-S-oxide, is soluble in water, which is why rinsing the onions under water can help reduce the release of the irritating compounds.2. It has a low boiling point: This is likely to be true. Volatile compounds with low boiling points are typically responsible for the kinds of irritation observed when cutting onions, as they can easily become airborne and come into contact with the eyes. 3. It has small and light ions with weak bondings: This statement is not true. The compound in question is not ionic; rather, it is a small molecule with covalent bonds.4. It is a covalent compound with weak covalent bonds: This statement is misleading. While it is a covalent compound, the "weak covalent bonds" part is not necessarily correct. The compound is volatile because of its structure, not due to weak covalent bonds.In summary, statements 1 and 2 are the correct ones regarding the properties of the sulfide compound released when cutting onions.
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